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San Gabriel Valley (area 4) City Of Industry, Puente Valley
Administrative Record Index

San Gabriel Valley (area 4) City Of Industry, Puente Valley

Superfund Site

Puente Valley OU Remedial AR, Update #4

Administrative Record Index

To request copies of administrative record documents, an electronic order form is available.

This administrative record file contains the documents that the U.S. Environmental Protection Agency (EPA) is currently using to identify appropriate remedial activities for the San Gabriel Valley (Area 4) Superfund Site, Puente Valley Operable Unit in Los Angeles County, California. It is presented in DVD and with companion binders of large format documents. The administrative record file was updated to include additional Site-related actions and information as part of the implementation of the cleanup plan as outlined in 1998 Interim Record of Decision (ROD), and as modified by the 2005 Explanation of Significant Differences (ESD).
EPA welcomes questions and comments on documents contained in the administrative record file. Please contact:

Raymond Chavira
Remedial Project Manager
U.S. EPA (SFD-7-3)
75 Hawthorne Street
San Francisco, CA 94105-3972
(415) 947-4218
chavira.raymond@epa.gov

or:

Dana Barton
Community Involvement Coordinator
U.S. EPA (SFD-6-3)
75 Hawthorne Street
San Francisco, CA 94105-3972
(415) 972-3087 or (800) 231-3075
barton.dana@epa.gov

List of Abbreviations and Acronyms Used in Administrative Record Index

ABBREVIATION	MEANING
AB	Assembly Bill
AO	Administrative Order
App(s)	Appendix(es)
attch	Attachment
bldg	Building
CAO	Cleanup & Abatement Order
CD	Compact Disc
CDM	Camp, Dresser and McKee, Inc
CERCLA	Comprehensive Environmental Response, Compensation and Liability Act
CLP	Contract Laboratory Program
COC	Chain of Custody
CSIWNP	Compliance, Sentinel, and Investigation Well Network Plan
Dept	Department
dist	District
doc	Document
DTSC	CA Dept of Toxic Substances and Control
encl	Enclosure
env	Envelope
et al	And Others
ex	Exemption
exh	Exhibit
FedEx	Federal Express
FOIA	Freedom of Information Act
fr	From
FS	Feasibility Study
FSP	Field Sampling Plan
ft	Feet
GIS	Geographic Information System
in	Inch
info	Information
LOE	Level of Effort
ltr	Letter
Memo	Memorandum
mtg	Meeting
NAPP	National Aerial Photo Project
notif	Notification
NPDES	National Pollutant Discharge Elimination System
O&M	Operation & Maintenance
OSCO	Oil & Solvent Process Co
OU	Operable Unit
p	Page
PCE	Tetrachloroethylene
pp	Pages
PRP	Potentially Responsible Party
pt	Part
PVOU	Puente Valley Operable Unit
PVSC	Puente Valley Steering Committee
RA	Remedial Action
RD	Remedial Design

re	Regarding
ref	Referencing
RI	Remedial Investigation
ROC	Record of Communication
rpt	Report
SAP	Sampling & Analysis Plan
SB	Senate Bill
SDG	Sample Delivery Group
seq	Sequence
SLIC	Spills, Leaks, Investigations & Cleanups
SOW	Statement of Work
STLC	Soluble Threshold Limit Concentrations
SVE	Soil Vapor Extraction
TCA	Trichloroethane
TCE	Trichloroethylene
TDS	Total Dissolved Solids
TL	Transmittal Letter
TM	Technical Memo
v	Volume
VES	Vapor Extraction System
VOC	Volatile Organic Compounds
vs	Versus
w/	With
w/o	Without
wp	Workplan

Administrative Record Index

Doc_date	Author	Addressee	Title_subject	Docid
8/3/1952	US Geological Survey	-	Aerial Photos (19): Project GS-VP, items #18-2, 18-3, 18-4, 18-5, 18-41, 18-43...18-74 date flown 8/1/52-8/3/52 (B&W, 9-1/2 in x 9-3/4 in)	2192345
9/17/1982	Robert Wilson / Brown & Caldwell Consultants	CA Regional Water Quality Control Board - Los Angeles Region	File review request for files re Benchmark (handwritten)	2232642
11/22/1985	Robert Ghirelli / CA Regional Water Quality Control Board - Los Angeles Region	Benchmark Technology, Inc	Ltr: Transmits & requests to complete chemical use questionnaire for Benchmark Technology facility, City of Industry, w/o attch	2232880
12/6/1985	William Bowman / Benchmark Technology, Inc Jerry Hall / Benchmark Technology, Inc	CA Regional Water Quality Control Board - Los Angeles Region	Chemical storage & use questionnaire for Benchmark Technology facility, City of Industry	2232879
6/13/1986	Raymond Delacourt / CA Regional Water Quality Control Board - Los Angeles Region	Jerry Hall / Benchmark Technology, Inc	Ltr: Requests for submittal of subsurface investigation workplan by 7/15/86 following site inspection on 12/16/85 at Benchmark Technology facility	2232876
6/30/1986	Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles Region	Raymond Delacourt / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Informs that E Nelson requested written documentation of Regional Board's authority to require subsurface investigation at Benchmark Technology, w/o attch, w/marginalia	2232875
7/2/1986	Raymond Delacourt / CA Regional Water Quality Control Board - Los Angeles Region	Edward Nelson / Benchmark Technology, Inc	Ltr: Response to inquiry re documentation of Regional Board's authority to require subsurface investigation at Benchmark Technology, w/o attch	2232874
7/31/1986	George Linkletter / Woodward-Clyde Consultants	Raymond Delacourt / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Workplan for conducting subsurface investigation at Benchmark Technologies in City of Industry, w/marginalia & Post-it note fr H Yacoub to JB requesting response	2232872
8/28/1986	Kit Custis / CA Water Resources Control Board	Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Reviews proposed workplan for Benchmark Technologies in City of Industry, w/received stamp	2232871
8/28/1986	Kit Custis / CA Water Resources Control Board	Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Reviews proposed workplan for Benchmark Technologies in City of Industry, w/ltr 7/31/86 re workplan for conducting subsurface investigation, marginalia, figure 1 re soils & Post-it note re sending to State Board for review	2232873
10/3/1986	Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region	Edward Nelson / Benchmark Technology, Inc	Ltr: Reviews subsurface investigation workplan dated 7/31/86 & requests for submittal of revised workplan by 10/17/86	2232870
10/29/1986	George Linkletter / Woodward-Clyde Consultants	Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Responds to ltr 10/3/86 fr Regional Board re workplan submitted on 6/31/86 [sic] & informs that Woodward-Clyde submits ltr as addendum to workplan for proposed investigation at Benchmark Technologies site, City of Industry	2232869
11/25/1986	Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region	Edward Nelson / Benchmark Technology, Inc	Ltr: Acknowledges receipt of addendum to subsurface investigation workplan dated 10/29/86 & approves workplan as amended	2232868
12/23/1986	Edward Nelson / Benchmark Technology, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Confirms phone discussion on 12/19/86 re extension of time fr 12/31/86 to 1/5/87 & informs that Benchmark Technology approved contract to Woodward-Clyde to start testing on 1/5/87, ref AB 1803, subsurface investigation	2232867
1/9/1987	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Response to ltr 11/25/86 fr Regional Board to E Nelson & informs that soil gas survey will be conducted week of 1/12/87 & drilling & sampling on 1/21/87	2232877
1/30/1987	CA Regional Water Quality Control Board - Los Angeles Region	-	Notification of hazardous waste discharge - groundwater contamination at Benchmark Technologies site, 200 Turnbull Canyon Rd, City of Industry, w/marginalia	2232865
1/30/1987	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Confirms phone discussion on 1/29/87 re analytical results indicate presence of chlorinated compounds in soil & groundwater at Benchmark Technologies site, City of Industry	2232866
2/18/1987	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits & requests for review on final rpt on subsurface investigation conducted at Benchmark Technology facility, City of Industry, w/o attch	2232863
2/18/1987	Woodward-Clyde Consultants	Benchmark Technology, Inc	Rpt on subsurface investigation conducted at Benchmark Technology facility	2234114
4/1/1987	Woodward-Clyde Consultants	Benchmark Technology, Inc	Workplan, soil & groundwater investigation at Benchmark Technology, City of Industry, w/Worldwide Express airbill dated 4/15/87	2232667
4/14/1987	Edward Nelson / Benchmark Technology, Inc	Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits hazardous waste manifest for dirt & well water disposed of fr subsurface investigation in 2/87 at Benchmark Technology facility, City of Industry, w/attch	2232862
4/15/1987	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits & requests for approval on workplan for Benchmark Technology submitted in response to ltr 3/10/87 fr Regional Board, w/o attch	2232845
6/17/1987	Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles Region	Edward Nelson / Benchmark Technology, Inc	Ltr: Comments on workplan for further site assessment at Benchmark Technology & informs that responses are due by 6/30/87	2232844
6/19/1987	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for 2-week extension of 6/30/87 deadline for modification of Benchmark workplan	2232843
7/12/1987	C H 2 M Hill, Inc	-	Photos (16): San Gabriel surface water, San Jose Creek, San Gabriel River, Rio Hondo Channel sampling sites, 7/9/87-7/12/87, w/annotations (color, 3-1/2 in x 5 in)	2192344
7/13/1987	CA Regional Water Quality Control Board - Los Angeles Region	-	Handwritten Notes: Benchmark Technology was TRW 1967-84, inquiry from Ralph Helm, Woodward-Clyde is consultant for cleanup	2232842
9/3/1987	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Response to Regional Board's comments on workplan submitted on 4/15/87 on behalf of Benchmark Technology, w/appendix A, well construction & groundwater sampling procedures & proposed schedule for 2nd phase investigation	2232665
10/22/1987	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Progress rpt, soil boring installation & 2nd round of monitoring well sampling at Benchmark Technology, w/attchs	2232664
1/12/1988	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Phase 2 final rpt, soil & groundwater investigation, Benchmark Technology	2232663
2/1/1988	-	-	Table re phase 3 site assessment, groundwater quality info, 1987, ref field I D #MW01-11, MW02-11, MW03-16...	2192389
2/2/1988	Woodward-Clyde Consultants	Benchmark Technology, Inc	Workplan, phase 3 soil & groundwater investigation - Benchmark Technology facility, City of Industry	2231145
2/3/1988	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Phase 3 workplan, soil & groundwater investigation, Benchmark Technology	2232662
2/26/1988	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Response to Regional Board review of phase 3 workplan at Benchmark Technology facility, w/figure 2A	2232858
4/7/1988	-	-	Table re phase 3 site assessment, groundwater quality info, 1st quarter 1988, ref field I D #CP01A, CP12, EW11...	2192390
4/22/1988	Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles Region	Edward Nelson / Benchmark Technology, Inc	Ltr: Review of proposed workplan for further site investigation at Benchmark Technology facility dated 2/2/88 & response to comments dated 2/26/88	2232857
5/10/1988	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Addendum #1 to phase 3 workplan for soil & groundwater investigation at Benchmark Technology facility, w/figures 2A & 3A	2232856
5/18/1988	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Confirms Regional Board's verbal approval of phase 3 workplan as modified in addendum #1 for soil & groundwater investigation at Benchmark Technology facility	2232855
6/6/1988	D Northington / West Coast Analytical Service, Inc Michael Shelton / West Coast Analytical Service, Inc	Tan Phung / Woodward-Clyde Consultants	Memo: Laboratory rpt, 1 soil samples & 1 water sample, analysis VOC by EPA 624/8240, ref Benchmark site, w/attchs	2232850
6/6/1988	D Northington / West Coast Analytical Service, Inc Michael Shelton / West Coast Analytical Service, Inc	Tan Phung / Woodward-Clyde Consultants	Memo: Laboratory rpt, 6 soil samples & 1 water sample, analysis VOC by EPA 624/8240, ref Benchmark site, w/attchs	2232849
6/20/1988	Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles Region	Richard Barkley / Benchmark Technology, Inc	Ltr: Conditional approval of proposed workplan for further site investigation at Benchmark Technology facility dated 2/21/88 [sic] & response to comments dated 2/26/88 & 5/18/88	2232848
6/21/1988	D Northington / West Coast Analytical Service, Inc Michael Shelton / West Coast Analytical Service, Inc	Tan Phung / Woodward-Clyde Consultants	Memo: Laboratory rpt, 8 water samples, analysis VOC by EPA 624, ref Benchmark site, w/attchs	2232853
6/21/1988	Michael Shelton / West Coast Analytical Service, Inc D Northington / West Coast Analytical Service, Inc	Tan Phung / Woodward-Clyde Consultants	Memo: Laboratory rpt, 6 water samples & 1 soil sample, analysis VOC by EPA 624/8240, ref Benchmark site, w/attchs	2232851
6/27/1988	Michael Shelton / West Coast Analytical Service, Inc D Northington / West Coast Analytical Service, Inc	Tan Phung / Woodward-Clyde Consultants	Memo: Laboratory rpt, 12 soil samples, analysis VOC by EPA 8240, ref Benchmark site, w/attchs	2232852
7/14/1988	-	-	Table re phase 3 site assessment, groundwater quality info, 2nd quarter 1988, ref field I D #CP01A, CP01B, CP02A...	2192391
9/16/1988	Michael Shelton / West Coast Analytical Service, Inc Michael Hovanec / West Coast Analytical Service, Inc	Tan Phung / Woodward-Clyde Consultants	Memo: Laboratory rpt, 3 water samples, analysis VOC by EPA 624, ref Benchmark site, w/attchs	2232854
10/10/1988	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr Progress rpt, phase 3 soil & groundwater investigation at Benchmark Technology, w/tables 1-3 & figure 1, w/o figure 2	2232846
10/10/1988	Linda Metcalf / Woodward-Clyde Consultants	Kay Williams / Puente Hills Landfill #6	Ltr: Request for soil disposal at Puente Hills Landfill, ref soil & groundwater investigation, Benchmark Technology facility, City of Industry, w/tables 1 & 2	2232861
11/8/1988	Linda Metcalf / Woodward-Clyde Consultants	John Hinton / CA Dept of Health Services - Toxic Substances Control Div	Ltr: Request for approval to dispose of 3 additional drums of soil at Puente Hills Landfill, ref ltr 10/10/88 fr Woodward-Clyde requesting approval fr Puente Hills Landfill to dispose of soil cuttings & drilling mud fr Benchmark site, w/attchs	2232860
12/1/1988	Woodward-Clyde Consultants	Hufstedler, Miller, Kaus & Beardsley (Attorneys) T R W, Inc	Phase 3 soil & groundwater investigation, Benchmark Technology facility, City of Industry - appendix D, laboratory rpts	2231146

1/6/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Proposed modifications to tentative cleanup & abatement order (CAO) #88-137, Benchmark Technology site, City of Industry	2232673
1/18/1989	-	-	Sign-in sheet for 1/18/89 Benchmark/TRW meeting	2232672
2/28/1989	Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles Region	James Hartmann / Woodward-Clyde Consultants	Ltr: Vapor extraction proposed for soil remediation at Benchmark Technology facility, City of Industry	2232671
3/31/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Soil disposal requests, soil & groundwater investigation at Benchmark Technology, City of Industry, w/tables 1-3	2232668
4/1/1989	Woodward-Clyde Consultants	Hufstedler, Miller, Kaus & Beardsley (Attorneys) T R W, Inc	Phase 4 workplan, groundwater investigation at Benchmark Technology, City of Industry, w/TL 4/26/89 to P Chandler	2232666
4/12/1989	Robert Ghirelli / CA Regional Water Quality Control Board - Los Angeles Region	T R W, Inc Benchmark Technology, Inc	Cleanup & abatement order (CAO) #89-034 - Benchmark Technology site, City of Industry, w/TL 4/12/89 to TRW & fax TL 8/11/98 to E Solomon	2232021
4/14/1989	-	-	Tables re phase 3 site assessment, groundwater quality info & water elevations, 1st quarter 1989, ref field I D #CP03B, EW01, EW03...	2192392
4/20/1989	Stanford Lau / CA Dept of Health Services	Linda Metcalf / Woodward-Clyde Consultants	Ltr: Response to ltr 11/8/88 to J Hinton re disposal of soil cuttings & drilling mud at Puente Hills Landfill, ref Benchmark Technology facility, City of Industry	2232658
5/1/1989	-	-	Table 2, soil analytical results, EPA method 8240, w/volatile organics analysis data sheets, EPA method 624 for MW2, MW3, MW4...	2183479
5/3/1989	Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles Region	Linda Metcalf / Woodward-Clyde Consultants	Ltr: Response to ltr received 4/3/89 re soil disposal request, ref Benchmark Technology, City of Industry	2232660
5/4/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits ltr 4/20/89 fr CA Dept of Health Services responding to request fr Woodward-Clyde to dispose of soil at landfill & inquires about alternate procedure to obtain disposal approval, ref Benchmark Technology project, w/o attch	2232659
5/22/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Confirms Regional Board's request that quarterly monitoring program be initiated in 6/89, ref Benchmark Technology facility, City of Industry, w/figure 1, site plan	2232657
5/26/1989	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for extension of due date 6/1/89 for submittal of soil remediation workplan, ref Benchmark Technology facility, City of Industry, CAO #89-034	2232656
6/7/1989	Robert Ghirelli / CA Regional Water Quality Control Board - Los Angeles Region	Richard Barkley / Benchmark Technology, Inc	Ltr: Response to request in ltr received 5/30/89 for extension of due date 6/1/89 for submittal of workplan, ref remediation of unconsolidated materials, Benchmark Technology facility, City of Industry, CAO #89-034	2232655
6/26/1989	Patricia Schroder / Analytical Technologies, Inc Richard Amano / Analytical Technologies, Inc	Linda Metcalf / Woodward-Clyde Consultants	Ltr: Results of analysis of 8 water samples received 6/7/89, ref Benchmark project, w/attchs	2232654
6/27/1989	Richard Amano / Analytical Technologies, Inc Patricia Schroder / Analytical Technologies, Inc	Linda Metcalf / Woodward-Clyde Consultants	Ltr: Results of analysis of 12 water samples received 6/9/89, ref Benchmark project, w/attchs	2232653
6/27/1989	Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles Region	Richard Barkley / Benchmark Technology, Inc	Ltr: Reviews phase 4 workplan for further groundwater investigation at Benchmark Technology facility received 4/27/89, ref CAO #89-034	2232652
7/7/1989	-	-	Table re phase 3 site assessment, groundwater quality info, 2nd quarter 1989, ref field I D #CP01A, CP01B, CP02A... (p 2 missing)	2192393
7/12/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for extension of due date 8/1/89 for submittal of soil & on-site groundwater remediation workplan & off-site groundwater assessment workplan for Benchmark Technology facility, ref CAO #89-034	2232651
7/14/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for extension of due date 7/24/89 for submittal of revised phase 4 groundwater investigation workplan for Benchmark Technology facility, City of Industry	2232650
7/18/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Results of groundwater monitoring conducted in 6/89 at Benchmark Technology site, City of Industry, w/attchs	2232649
7/24/1989	-	-	Sign-in sheet at meeting between Regional Board, TRW, Benchmark on 7/24/89	2232648
7/26/1989	James Hartley / Woodward-Clyde Consultants	Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Expresses appreciation for meeting with Regional Board on 7/24/89 & discusses common understanding & agreement on site remediation of Benchmark Technology facility in City of Industry	2232646
8/3/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Revisions to 4/26/89 workplan for phase 4 groundwater investigation at Benchmark Technology facility, City of Industry, w/figure 1, site plan	2232661
9/5/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for extension of due dates 10/1/89 & 11/1/89 to submit on-site remediation workplan & off-site groundwater assessment workplan for Benchmark Technology facility, ref CAO #89-034	2232645
9/7/1989	Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles Region	Frank Hintze / Benchmark Technology, Inc	Ltr: Expresses concurrences with common understandings in ltr received 7/27/89 fr Benchmark Technology Inc re site assessment, ref CAO #89-034	2232643
9/12/1989	Roy Sakaida / CA Regional Water Quality Control Board - Los Angeles Region	Frank Hintze / Benchmark Technology, Inc	Ltr: Acknowledges receipt of ltr on 9/6/89 requesting extension of due dates 10/1/89 & 11/1/89 to submit on-site remedial & off-site groundwater assessment workplans & informs that chapter 11 bankruptcy filing by Benchmark may create schedule difficulties	2232644
10/12/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Confirms approval of due date extension for submittal of off-site groundwater assessment workplan for Benchmark Technology site, City of Industry	2232640
11/1/1989	Woodward-Clyde Consultants	Benchmark Holding Group T R W, Inc	Workplan, off-site groundwater investigation - Benchmark Technology site, City of Industry	2231139
11/2/1989	Linda Metcalf / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for soil disposal approval, ref Benchmark Technology site in City of Industry, w/o ltr 3/31/89 fr Woodward-Clyde Consultants	2232639
11/16/1989	DeRevere Partnership	-	Oversize Map: Site study, Benchmark Technology, City of Industry (oversized, blueline, 30 in x 42 in, scale 1 in = 40 ft, revised 11/16/1989, scheme D)	2232010
11/17/1989	Peter Tilton / Koll Co	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Informs that Koll Co is in process to purchase Benchmark Technology site in City of Industry & requests to confirm Koll's understanding of soil & groundwater remediation plans, w/attchs	2232638
12/14/1989	-	-	Sign-in sheet for 12/14/89 meeting between Regional Board, Benchmark Holding Group, Koll Co, TRW, Woodward-Clyde...	2232637
12/14/1989	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Updates schedule of activities & confirms approach to conducting soil remediation at Benchmark Technology site in City of Industry, w/schedule of activities	2232636
1/1/1990	Woodward-Clyde Consultants	-	Soil sampling plan - Benchmark Technology site, City of Industry	2231140
1/12/1990	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark remediation program meeting on 1/12/90 with Regional Board, w/figure 1, concrete & asphalt sampling locations	2231141
1/14/1990	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	-	Meeting Notes: Benchmark remediation program meeting on 1/12/90 with Regional Board, w/sign-in sheet (handwritten)	2232635
2/22/1990	Woodward-Clyde Consultants	Benchmark Holding Group T R W, Inc	Additional soil sampling at Benchmark Technology facility, City of Industry, w/oversize drawing	2231144
2/22/1990	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Rpt of additional soil sampling at Benchmark Technology facility, City of Industry	2232634
3/2/1990	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark remediation program meeting on 3/2/90 with Regional Board, w/proposal for conducting fate & risk assessment & marginalia	2231995
5/16/1990	Joseph Kwan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits & requests for approval on soil RA plan, ref Benchmark Technology facility, City of Industry, w/o attch	2232633
6/5/1990	-	-	Sign-in sheet for 6/5/90 meeting between Regional Board, Koll, TRW, Woodward-Clyde...	2232632
6/27/1990	Woodward-Clyde Consultants	Benchmark Holding Group T R W, Inc	Soil cleanup levels for Benchmark facility, City of Industry	2231138
6/27/1990	Woodward-Clyde Consultants	-	Excerpt: Soil cleanup levels for Benchmark facility, City of Industry, table 8, cleanup levels (assuming uniform cleanup), base case	2232628
7/5/1990	Joseph Kwan / T R W, Inc	Philip Chandler / CA Environmental Protection Agency - Dept of Toxic Substances Control	Ltr: Transmits & requests for review on fate & transport assessment rpt for soil cleanup levels determination, ref Benchmark facility, City of Industry, w/o attch, w/FedEx airbill	2232631
7/10/1990	Robert Walter / T R W, Inc	Glenn Kistner / Environmental Protection Agency - Region 9	Ltr: Confirms that TRW is willing to participate in conduct or financing of response activities & will submit response to 104(e) request for info ltr 5/7/90 by 8/15/90, w/marginalia	2195653
7/23/1990	Mark Klaiman / Environmental Protection Agency - Region 9	Robert Walter / T R W, Inc	Ltr: Confirms that EPA grants The Monadnock Co extension through 8/10/90 to respond to 104(e) request for info	2195649
7/26/1990	Jerry Clifford / Environmental Protection Agency - Region 9	Mark Hamilton / Lucas Western, Inc	Ltr: Request for submittal of response to 104(e) request for info ltr Lucas Western Inc received on 6/14/90, w/mail receipts	2195619
7/27/1990	Woodward-Clyde Consultants	-	Meeting Agenda: Meeting with Regional Board on 7/27/90 re Benchmark facility	2232627
7/31/1990	Mark Klaiman / Environmental Protection Agency - Region 9	Mark Hamilton / Lucas Western, Inc	Ltr: Confirms that EPA grants Lucas Western Inc (formerly Western Gear) extension through 8/10/90 to respond to 104(e) request for info	2195643

8/3/1990	Mark Klaiman / Environmental Protection Agency - Region 9	Edward Faeder / Jefferson Group, Inc, The	Ltr: Confirms that EPA grants Lucas Western Inc (formerly Western Gear) extension through 8/24/90 to respond to 104(e) request for info	2195641
8/7/1990	Jeffery Johnson / Heller, Ehrman, White & McAuliffe (Attorneys)	Mark Klaiman / Environmental Protection Agency - Region 9	Ltr: Confirms that EPA grants Benchmark Technology extension through 8/24/90 to respond to 104(e) request for info, w/marginalia	2195634
8/15/1990	Adele Walsh / Adele Walsh (Attorney)	Mark Klaiman / Environmental Protection Agency - Region 9 Glenn Kistner / Environmental Protection Agency - Region 9	Ltr: Request for extension to respond to questions #5 & 6 in general notice & 104(e) request for info 5/7/90 on behalf of client 8th & Proctor Investment Co, owner at 14724 E Proctor Ave, City of Industry, currently leased by Lucas Western, w/marginalia	2195627
8/22/1990	Atul Salhotra / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Informs that A Salhotra will send back-of-envelope calculations, w/o attch (handwritten)	2232626
8/31/1990	Atul Salhotra / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Back-of-envelope calculations to estimate vapor phase diffusion in unsaturated zone, ref soil cleanup levels for Benchmark facility, w/preliminary analysis of vapor migration in unsaturated zone at Benchmark facility	2232625
9/11/1990	-	-	Excerpts: 1) Phase 2 site assessment 9/11/90, 2) remedial action (RA) plan for remediation of soil by vapor extraction 2/10/97, 3) ltr 4/2/97 re 1st semi-annual 1997 groundwater monitoring rpt...	2183488
9/11/1990	-	-	Table re PCE/TCE use at site, site investigations, PCE in soil..., w/excerpts fr 1) Phase 2 site assessment 9/11/90 & 2) ltr 10/24/91 re 3rd quarter 1991 groundwater monitoring rpt	2183490
10/1/1990	Woodward-Clyde Consultants	T R W, Inc	Health & safety plan for Benchmark RA program, City of Industry	2231137
10/3/1990	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Informs that TRW & Benchmark Holding Group are proceeding to demolish existing structures, ref soil RA plan for Benchmark Technology facility, City of Industry dated 5/10/90	2232641
11/2/1990	-	-	Sign-in sheet for Benchmark RA program status review meeting with Regional Board on 11/2/90	2232624
11/2/1990	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark RA program status review meeting with Regional Board on 11/2/90	2232623
11/5/1990	Paris Hajali / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits health & safety plan for Benchmark RA program & responds to request for evacuation plan for adjacent occupied structure, w/o attch	2232622
11/8/1990	C K Y Environmental Services, Inc	T R W, Inc	Quarterly rpt, groundwater monitoring - Benchmark Technology, City of Industry, prepared for TRW Inc [File #102.0007]	2234115
11/26/1990	John Clark / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring	2232620
11/28/1990	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Acknowledges receipt of draft ltr fr Regional Board in project review meeting on 11/2/90 responding to soil RA plan for Benchmark site & requests that Regional Board issue final ltr response to RA plan	2232619
12/18/1990	Linda Niemeyer / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Revised scope of services, phase 4 groundwater investigation - Benchmark Technology site, City of Industry, w/figures 1 & 2	2232618
1/16/1991	Woodward-Clyde Consultants	T R W, Inc	Workplan for soil excavation, stockpile preparation & vapor extraction & treatment system, Benchmark RA program, City of Industry, w/oversize drawings	2231143
1/18/1991	-	-	Sign-in sheet for 1/18/91 Benchmark/TRW meeting	2232009
1/18/1991	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark RA program meeting on 1/18/91 with Regional Board, w/marginalia	2232008
1/29/1991	Woodward-Clyde Consultants	T R W, Inc	Modeling of vapor extraction system, Benchmark Technology facility, City of Industry, w/oversize drawings	2231142
2/4/1991	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Environmental Protection Agency - Dept of Toxic Substances Control	Ltr: Transmits & requests for review on modeling of vapor extraction system dated 1/29/91, ref Benchmark Technology facility, City of Industry, w/o attch	2232007
2/8/1991	Linda Niemeyer / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Response to approval ltr 1/31/91 fr Regional Board re phase 4 groundwater investigation at Benchmark site, City of Industry, w/figure 1	2232005
2/18/1991	Robert Scott / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits info re geophysical logging equipment & methods proposed for 130-ft boring in response to ltr 1/31/91 re workplan for Benchmark Technology site, City of Industry, w/attch (handwritten)	2232003
2/19/1991	-	-	Sign-in sheet for 2/19/91 Benchmark meeting	2232002
2/19/1991	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark RA program project status review meeting on 2/19/91 with Regional Board, w/marginalia	2232001
2/21/1991	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Response to ltr 1/31/91 fr R Sakaida re phase 4 groundwater investigation/performance of vacuum extraction pilot test at Benchmark site, City of Industry [CAO #89-034]	2232000
2/25/1991	Linda Niemeyer / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Cost estimates for mud rotary drilling with no sampling ($45/ft), with 5-ft sampling intervals ($57/ft)..., ref Benchmark project, w/attch (faxed, handwritten)	2231999
2/26/1991	Linda Niemeyer / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Memo: PVC VEE-WIRE screens, PVC slotted pipe, PVC riser pipe, stainless steel VEE-WIRE screens for monitoring wells...specifications fr Diversified Well Products, ref Benchmark project, w/attch (faxed, handwritten)	2231998
2/28/1991	Kam Pang / C K Y, Inc	Jay White / Woodward-Clyde Consultants	Ltr: Laboratory rpt for water sample, Benchmark project, w/attch (faxed)	2231997
3/1/1991	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for discharge of uncontaminated rainwater fr Benchmark remediation site into storm drain, City of Industry	2231996
3/5/1991	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Confirms understanding of certain points in attch A of ltr 2/13/91 fr Regional Board as discussed at 2/19/91 meeting, ref Benchmark RA program	2231993
3/5/1991	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Jay White / Woodward-Clyde Consultants	TL: __ (faxed, handwritten)	2231994
3/8/1991	-	-	Sign-in sheet for 3/8/91 TRW/Benchmark meeting	2231992
3/8/1991	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark RA program project status review meeting on 3/8/91 with Regional Board, w/marginalia	2231991
3/8/1991	John Clark / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt - Benchmark Technology site, City of Industry	2231990
3/18/1991	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Transmits sketch of chrome-stained soil excavation & laboratory data sheet for Benchmark site, w/attchs (faxed, handwritten)	2231988
3/19/1991	Steve Mulligan / I D Environmental Assoc, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits business card for ID Environmental Assoc (IDEA) & requests that IDEA be included on mailings re soil & groundwater investigation at Monadnock Co in City of Industry, w/o attch	2231987
3/22/1991	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark RA program project status review meeting on 3/22/91 with Regional Board, w/marginalia & handwritten notes	2231985
3/27/1991	Linda Niemeyer / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Woodward-Clyde Consultants' efforts to obtain access for well installation on West Coast Sand & Gravel property at 225 S Turnbull Canyon Rd, City of Industry, opposite Benchmark site at 200 S Turnbull Canyon Rd, City of Industry	2231986
4/5/1991	-	-	Sign-in sheet for Benchmark RA program project status review meeting on 4/5/91 with Regional Board	2231984
4/5/1991	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark RA program project status review meeting on 4/5/91 with Regional Board, w/maps re chrome sampling locations	2231983
4/23/1991	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Confirmation sampling plan at Benchmark site, City of Industry	2231982
5/23/1991	Steve Mulligan / C K Y Environmental Services, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Revised quarterly groundwater monitoring rpt, 1st quarter 1991, w/marginalia	2231980
6/18/1991	Joseph Kwan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 2nd quarter 1991	2231979
6/26/1991	Mehrshad Razmdjoo / Woodward-Clyde Consultants	Joseph Kwan / T R W, Inc	Ltr: Excavation & confirmation sampling of chromium-impacted soil at Benchmark site, w/attchs & fax TL to Regional Board's T Rodgers re beginning backfilling	2231989
7/3/1991	Joseph Kwan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Transmits 8 VES stockpile testing results, ref stockpiles #32, 31, 30..., w/attchs (faxed, handwritten)	2231978
7/10/1991	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	File	Memo: Comments on fax received 6/26/91 providing confirmation sampling data & requesting for permission to commence backfilling, ref Benchmark confirmation sampling at general chromium sump area, w/marginalia	2231977
9/11/1991	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark RA program project status review meeting on 9/11/91 with Regional Board, w/marginalia & handwritten notes	2234113
9/23/1991	John Lewis / CA Regional Water Quality Control Board - Los Angeles Region	Jay White / Woodward-Clyde Consultants	Ltr: Review of rpt of waste discharge filed on 9/18/91 to discharge up to 2,000 cubic yards of chromium-contaminated soil at Puente Hills Landfill	2231976
9/26/1991	Kam Pang / C K Y, Inc	Jay White / Woodward-Clyde Consultants	Ltr: Laboratory rpt for water samples, project Benchmark, w/attchs	2231975

10/4/1991	Jay White / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for permission to discharge 18,000 gallons of water stored at Benchmark site, 200 S Turnbull Canyon Rd, City of Industry, ref permit #7698B	2231974
10/10/1991	-	-	Table re phase 3 site assessment, water elevations, ref monitoring well #CP01A, CP01B, CP02A...	2192395
10/10/1991	-	-	Table re phase 3 site assessment, groundwater quality info, 1991, ref field I D #CP03B, EW01, EW06...	2192394
10/18/1991	Woodward-Clyde Consultants	-	Meeting Agenda: Benchmark RA program project status review meeting on 10/18/91 with Regional Board, w/marginalia	2231972
10/24/1991	Joseph Kwan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for approval to remove crushed concrete, ref Benchmark site, City of Industry, w/attchs & fax TL 10/25/1991	2231970
10/25/1991	Joseph Kwan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Transmits STLC results, w/attch (faxed)	2231971
11/12/1991	Hank Yacoub / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / T R W, Inc	Ltr: Response to request for waiver of discharge permit for 18,000 gallons of water stored at former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, ref CAO #89-034	2231969
1/29/1992	Amy Sullivan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 4th quarter 1991	2231965
2/4/1992	Joseph Kwan / T R W, Inc	Juan Gonzales / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for authorization to dispose of 2,200 cubic yards of copper-impacted soil at Bailard Landfill, ref Benchmark soil remediation program, w/o permit application & results of laboratory analysis	2231967
2/7/1992	Joseph Kwan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Application for facility permit/waste discharge, ref 2,200 cubic yards of treated soil fr copper soil stabilization process, w/env addressed to P Chandler	2231968
2/28/1992	Jose Kou / CA Environmental Protection Agency - Dept of Toxic Substances Control	Douglas Pennington / T R W, Inc	Ltr: Acknowledges receipt of ltr 2/26/92 requesting approval for disposal of treated contaminated soil fr Benchmark site at Bailard Landfill, ref Benchmark site, 200 S Turnbull Canyon Rd, City of Industry	2231966
3/26/1992	Joseph Kwan / T R W, Inc	Juan Gonzales / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for authorization to dispose of 1,000 cubic yards of copper-impacted soil treated to below 25 mg/l limit for soluble threshold limit concentrations (STLC), ref permit issued on 2/19/92, w/permit application & results of laboratory analysis	2231964
3/30/1992	Amy Sullivan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 1st quarter 1992	2231963
5/1/1992	Woodward-Clyde Consultants	T R W, Inc	Rpt of sump closure at Benchmark facility, City of Industry	2234081
5/12/1992	Jay White / Woodward-Clyde Consultants	Bahman Hajialiakbar / Los Angeles County - Dept of Public Works	Ltr: Transmits rpt of sump closure at Benchmark facility, City of Industry, ref closure permit #7698B, w/o attch	2231962
7/30/1992	Steve Mulligan / I D Environmental Assoc, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 2nd quarter 1992 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry	2231961
8/4/1992	Linda Niemeyer / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Response to ltr 7/22/92 fr Regional Board to TRW re workplan for offsite groundwater investigation at Benchmark Technology site, City of Industry, ref phase 5 workplan approval	2231800
8/19/1992	Amy Sullivan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Discharge of mud slurry generated fr exploratory borehole installation activities at Flagstaff Ave, City of Industry, ref TRW/Benchmark project, w/laboratory rpt	2231799
8/25/1992	Jeffrey Gwinn / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Health & safety plan for Benchmark's RA program in City of Industry dated 7/22/92	2231798
10/16/1992	Joseph Kwan / T R W, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits & requests for review on rpt of soil investigations & remediation, Benchmark Technology site, City of Industry, w/o attchs	2231797
1/4/1993	Steve Mulligan / I D Environmental Assoc, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 3rd quarter 1992 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry	2231796
1/4/1993	Steve Mulligan / I D Environmental Assoc, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 4th quarter 1992 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry	2231795
1/21/1993	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / T R W, Inc	Ltr: Disposal of drilling mud, drill cuttings & development water, ref Benchmark off-site investigation, City of Industry [CAO 84-034]	2231794
3/1/1993	I D Environmental Assoc, Inc	T R W, Inc	Quarterly groundwater monitoring rpt, 1st quarter 1993 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry	2234079
5/24/1993	Steve Mulligan / I D Environmental Assoc, Inc	Phil Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 1st quarter 1993 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry	2231792
8/20/1993	T R W, Inc	Phil Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 2nd quarter 1993 - Benchmark remediation site, 200 S Turnbull Canyon Rd, City of Industry	2231793
8/30/1993	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / T R W, Inc	Ltr: Informs of transmittal of copy of NPDES permit application for TRW groundwater treatment facility at 200 S Turnbull Canyon Rd, City of Industry to Permits Branch of EPA, ref NPDES #0063223	2231790
8/30/1993	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Environmental Protection Agency - Region 9	Ltr: Transmits copy of NPDES permit application for TRW groundwater treatment facility at 200 S Turnbull Canyon Rd, City of Industry, ref NPDES #0063223, w/o attch	2231791
9/14/1993	-	-	Sign-in sheet for 9/14/93 meeting between Regional Board, Benchmark, Woodward-Clyde	2231786
9/21/1993	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / T R W, Inc Frank Hintze / Benchmark Holding Group	Ltr: Interim remedial action review - Benchmark Technology site, City of Industry, w/marginalia re file # now 102.0007 [CAO #89-034, file #86-22, faxed 9/28/93 by McDermott, Will & Emery]	2231785
9/21/1993	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Frank Hintze / Benchmark Holding Group Joseph Kwan / T R W, Inc	Ltr: Interim remedial action review - Benchmark Technology site, City of Industry, w/marginalia re file # now 102.0007 [CAO #89-034, file #86-22]	2231784
10/4/1993	Steve Mulligan / I D Environmental Assoc, Inc	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 3rd quarter 1993 - Benchmark remediation site, City of Industry	2231783
10/8/1993	Los Angeles Times (Newspaper)	-	Newsclip: Companies bow to EPA on San Gabriel cleanup (44 companies to reimburse EPA for future oversight costs)	2096368
10/8/1993	Steven Eames / San Gabriel Valley Tribune	-	Newsclip: EPA, companies agree to landmark groundwater pact - companies agree to pay for testing	2096369
10/8/1993	Steven Eames / San Gabriel Valley Tribune	-	Newsclip: Firms to fund pollution tests - officials hail major step toward cleaning up Superfund site	2096360
10/8/1993	La Opinion (Newspaper)	-	Newsclip: Investigaran la contaminacion del agua en San Gabriel (in Spanish)	2096362
10/12/1993	Stuart Price / McDermott, Will & Emery (Attorneys)	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits & requests for signature on declaration on ltr 9/21/93 fr P Chandler re interim remedial action review, ref Adelaida Land & Cattle Co vs Benchmark Holdings Group, ref CAO #89-034, w/attchs & marginalia	2231782
10/28/1993	Mark Giberson / Los Angeles Times (Newspaper)	-	Newsclip: Uncertainty over costs for cleanup - companies unsure of long-term costs, w/photo of Lansco	2096373
11/17/1993	Linda Niemeyer / Woodward-Clyde Consultants	Philip Chandler / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for revision of quarterly groundwater monitoring program - Benchmark Technology Inc, 200 S Turnbull Canyon Rd, City of Industry, w/fax TL (incomplete, p 1 only)	2231781
12/27/1993	Steve Mulligan / I D Environmental Assoc, Inc	Rick Kaumeyer / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 4th quarter 1993 - Benchmark remediation site, City of Industry	2234068
4/4/1994	Steve Mulligan / I D Environmental Assoc, Inc	Rick Kaumeyer / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 1st quarter 1994	2232615
4/12/1994	Woodward-Clyde Consultants	Rick Kaumeyer / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater RA plan	2232616
6/1/1994	-	-	Aerial Photos (19): Project NAPP, items #6858-90, 6858-91... 6858-104, #6862-124, 6862-125...6862-160, date flown 5/31/94 & 6/1/94 (B&W, 9-1/2 in x 9-1/2 in)	2192346
7/1/1994	I D Environmental Assoc, Inc	T R W, Inc	Quarterly rpt for groundwater monitoring, 2nd quarter 1994, Benchmark remediation site, City of Industry, w/marginalia	2234069
7/19/1994	Steve Mulligan / I D Environmental Assoc, Inc	Rick Kaumeyer / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 2nd quarter 1994	2232614
9/26/1994	Robert Ghirelli / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / T R W, Inc	Ltr: General national pollutant discharge elimination system permit & waste discharge requirements, well head water treatment system, ref well sites at 200 S Turnbull Canyon Rd, City of Industry, w/attch [NPDES #CAG994150]	2232613
10/4/1994	Steve Mulligan / I D Environmental Assoc, Inc	Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 3rd quarter 1994	2234076
10/7/1994	Joseph Kwan / T R W, Inc	Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Acknowledges receipt of groundwater RA plan review comments dated 9/28//94 & informs that TRW will incorporate recommendations into Benchmark groundwater remediation program	2232612
2/7/1995	Steve Mulligan / I D Environmental Assoc, Inc	Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 4th quarter 1994	2232611
5/16/1995	Steve Mulligan / I D Environmental Assoc, Inc	Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt, 1st quarter 1995	2232610

7/12/1995	Hydro Geo Chem, Inc	Atkins Environmental HELP, Inc	Soil gas survey - E W Smith Chemical Co, City of Industry	2224412
8/1/1995	T R W Environmental & Safety Laboratory	T R W, Inc	Quarterly groundwater monitoring rpt 8/95 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, w/marginalia re 4/95	2234077
9/1/1995	T R W Environmental & Safety Laboratory	T R W, Inc	Quarterly groundwater monitoring rpt 9/95 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, w/marginalia re 7/95	2234078
10/2/1995	T R W, Inc	Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpts for 8/95 & 9/95	2232607
1/1/1996	Environmental Protection Agency - Region 9	-	Table re OSCO trigger levels (sheet1)	2096341
2/9/1996	T R W, Inc	Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt for 10/95	2232605
4/5/1996	T R W, Inc	Eric Nupen / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt for 1/96	2232604
4/25/1996	Patti Collins / Environmental Protection Agency - Region 9	-	Photos (19): OSCO neighborhood at Basetdale Ave & Alanwood Rd, w/negatives (4 in x 6 in, color)	2096339
5/6/1996	Orion Environmental, Inc	-	Maps (2): Figure 3-2, total VOC concentration contour map, zone A, 4/96 & figure 3-3, total VOC concentration contour map, zone B, 4/96, ref former TRW/Benchmark site (11 in x 17 in, color, scale 1 in = 400 ft)	2231769
6/1/1996	Environmental Protection Agency - Region 9	-	OSCO potential sampling locations, w/aerial photo & overlay #1	2096333
6/1/1996	Environmental Protection Agency - Region 9	-	OSCO sampling media/technology alternatives	2096332
6/8/1996	-	-	Photos (17): Stained floor, taken on 6/7/96 & 6/8/96 (color, 3-1/2 in x 5 in)	2192337
6/28/1996	T R W, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt for 4/96	2232603
7/1/1996	Camp Dresser & McKee, Inc	Puente Valley Steering Committee	[Draft] final FS, Puente Valley OU interim RI/FS - rpt & appendices A-C	2190237
7/1/1996	C H 2 M Hill, Inc	-	Map: PCE concentrations measured in soil gas samples collected fr 5- to 10-ft below ground surface in 7/96, w/sketches, aerial photo & overlay #1 (8-1/2 in x 11 in, B & W, scale unknown)	2096335
7/19/1996	C H 2 M Hill, Inc	Environmental Protection Agency - Region 9	Field task-specific workplan, OSCO Puente Valley site soil gas investigation, Whittier Narrows OU	2096342
7/22/1996	C H 2 M Hill, Inc	-	Table 1, address list of residence, OSCO, Puente Valley site (addresses on Basetdale Ave, Alanwood Rd, Santa Mariana Ave, Karns Ave & Hilbert Ave in La Puente), w/marginalia fr Doug to Vicki (faxed fr CH2M Hill)	2096328
7/26/1996	C H 2 M Hill, Inc	-	OSCO door-to-door (addresses & homeowners on Basetdale Ave, Alanwood Rd, Santa Mariana Ave & Hilbert Ave), w/marginalia	2096327
8/7/1996	C H 2 M Hill, Inc	-	Table B-1, halogenated & aromatic hydrocarbons field analyses results for soil gas samples, former OSCO site, City of Industry, 25 target compound list, w/figure 2, location map (draft, faxed 8/7/96)	2096334
8/12/1996	Environmental Support Technologies, Inc	C H 2 M Hill, Inc	Multi-depth soil gas survey rpt - former OSCO site, Alanwood Rd, Bassett, w/TL 8/14/96	2096336
8/26/1996	Gabriel Silva / C H 2 M Hill, Inc Jill Bensen / C H 2 M Hill, Inc	Doug Frazer / Environmental Protection Agency - Region 9	Memo: Results of subsurface soil gas investigation performed at former OSCO Puente Valley site located within Whittier Narrows OU, w/attchs	2096330
10/2/1996	T R W, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt for 7/96	2232602
1/1/1997	T R W Environmental & Safety Laboratory	T R W, Inc	Quarterly groundwater monitoring rpt for 10/96 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, w/marginalia (incomplete, pp 2, 12 & 13, figures 3-1, 3-2 & 3-3 only)	2232601
1/1/1997	C H 2 M Hill, Inc	-	Map: 1997 shallow VOC contamination, Puente Valley OU (draft, 11 in x 17 in, color, scale 1 in = about 2,800 ft)	2192327
1/1/1997	C H 2 M Hill, Inc	-	Map: 1997 deep VOC contamination, Puente Valley OU (draft, 11 in x 17 in, color, scale 1 in = about 2,800 ft)	2192326
1/1/1997	Environmental Protection Agency - Region 9	-	Subtasks A, B & C, LOE estimates, w/marginalia re email to Doug, OSCO WP estimate & SOW insert	2096345
1/30/1997	T R W, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt for 10/96 [NPDES #CAG994150]	2232040
2/6/1997	-	-	Photos (5): Excavation, taken on 2/6/97 (color, 3-1/2 in x 5 in)	2192338
2/18/1997	H S I GeoTrans, Inc	-	Map: Figure 1, well location - Carrier Corp, City of Industry, ref project N329-107 (color, 11 in x 17 in, scale 1 in = 500 ft)	2184042
3/3/1997	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	-	Meeting Notes: Meeting on 3/3/97 with Trammell Crow Co re covenant not to sue agreement, ref former Benchmark Technology site, w/sign-in attendance list (handwritten)	2232039
3/17/1997	Camp Dresser & McKee, Inc	-	Oversize Map: Plate 2, network well & San Jose Creek surface water & weephole sampling results 3/95, ref Puente Valley OU interim RI/FS (blueline, 24 in x 36 in, scale 1 in = 1500 ft)	2166724
3/17/1997	Stephen Jones / Jones, Day, Reavis & Pogue (Attorneys)	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Expresses appreciation for meeting with T Bak & S Jones to discuss prospective purchaser agreement for Benchmark property in City of Industry & Trammell Crow's proposed purchase of property	2232038
3/17/1997	Camp Dresser & McKee, Inc	-	Oversize Map: Plate 1, cluster well TCE & PCE concentrations, 7-day, 1st, 2nd & 3rd quarterly sampling, ref Puente Valley OU interim RI/FS (blueline, 24 in x 36 in, scale 1 in = 500 meters)	2166722
4/16/1997	-	-	Table re groundwater monitoring rpt, 1st quarter 1997, ref field I D #EW01, EW06, EW11...	2192385
4/25/1997	-	-	Photos (2): Drum, taken on 4/25/97 (color, 3-1/2 in x 5 in)	2192340
5/5/1997	Camp Dresser & McKee, Inc	-	Oversize Map: Plate 4, site plan, A-A' cross section, ref Puente Valley OU interim RI/FS (blueline, 24 in x 36 in, scale vert 1 in = 100 ft, horiz 1 in = 1600 ft)	2166725
5/8/1997	Camp Dresser & McKee, Inc	-	Oversize Map: Plate 1, cluster well TCE & PCE concentrations, 7-day, 1st, 2nd & 3rd quarterly sampling, ref Puente Valley OU interim RI/FS (blueline, 24 in x 36 in, scale 1 in = 500 meters)	2166723
5/12/1997	Jeffrey Gwinn / Orion Environmental, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Transmits agenda for conference call on 5/13/97 re TRW/Benchmark site & site maps showing Trammell Crow's proposed bldg & SVE system, w/attchs (faxed 5/12/97)	2232037
7/16/1997	Linda Niemeyer / Orion Environmental, Inc Jeffrey Gwinn / Orion Environmental, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Requests that quarterly groundwater monitoring be modified to semiannual groundwater monitoring, ref former Benchmark site, City of Industry	2232036
9/5/1997	Camp Dresser & McKee, Inc	Puente Valley Steering Committee	SAP, shallow plume investigation/confirmatory sampling program, mouth of Puente Valley, w/TL to E Chow (preliminary draft)	2190252
9/29/1997	David Chamberlin / Camp Dresser & McKee, Inc	Eugenia Chow / Environmental Protection Agency - Region 9	Memo: Rationale & location of phase 2 in-situ groundwater samples, mouth of Puente Valley, shallow plume investigation, w/figure 1-1 titled phase 2 in-situ groundwater sample location map & fax TL to E Chow, et al requesting review	2190246
9/29/1997	David Chamberlin / Camp Dresser & McKee, Inc	Eugenia Chow / Environmental Protection Agency - Region 9	Memo: Rationale & location of phase 2 in-situ groundwater samples, mouth of Puente Valley, shallow plume investigation, w/figure 1-1 titled phase 2 in-situ groundwater sample location map	2190245
9/29/1997	Camp Dresser & McKee, Inc	-	Map: Figure 1-1, phase 1/phase 2 in-situ groundwater sample location map, Puente Valley OU (color, 8-1/2 in x 11 in, scale unknown)	2190251
10/13/1997	David Chamberlin / Camp Dresser & McKee, Inc	Eugenia Chow / Environmental Protection Agency - Region 9	Memo: Transmits on behalf of Puente Valley Steering Committee draft tables 1a & 1b showing VOC & nitrate/TDS values for all data & draft table 2..., ref shallow investigation/confirmation program results, w/attchs	2190244
10/27/1997	-	-	Table re groundwater monitoring rpt, 3rd quarter 1997, ref field I D #CP09, EW01, EW06...	2192387
11/4/1997	Malcolm Webster / Orion Environmental, Inc Jeffrey Gwinn / Orion Environmental, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Request for well abandonment, ref TRW-Benchmark site, City of Industry, w/figure 1, SVE system layout & proposed bldg location	2232034
11/20/1997	Sharon Wallin / Camp Dresser & McKee, Inc	Eugenia Chow / Environmental Protection Agency - Region 9	Memo: Transmits table 1, monitoring well sampling results, VOCs, nitrate & TDS analytical summary, mouth of Puente Valley investigation, w/attch ( faxed)	2190249
11/25/1997	Jonathan Harris / C H 2 M Hill, Inc	Eugenia Chow / Environmental Protection Agency - Region 9	Memo: Applicability of NoVOCs technology in Puente Valley OU, w/fax TL	2190247
11/26/1997	Joseph Kwan / T R W, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	TL: Quarterly groundwater monitoring rpt for 5/97	2232033
12/1/1997	Jeffrey Gwinn / Orion Environmental, Inc Malcolm Webster / Orion Environmental, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits graphs showing total VOC concentrations vs time, ref vapor wells VES #1A, VES #1B, VM-4A, VM-4B, Z2-12 & VES #2, TRW/Benchmark site, City of Industry, w/attchs	2232032

12/10/1997	Arthur Heath / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / T R W, Inc	Ltr: Acknowledges receipt of 1) ltr 11/4/97 re request for well abandonment & 2) ltr 12/1/97 re historical VOC concentrations for vapor wells VES #1A, VES #1B, VM-4A, VM-4B, Z2-12 & VES #2, ref former Benchmark site, 200 S Turnbull Canyon Rd, Industry	2232031
12/18/1997	Sharon Wallin / Camp Dresser & McKee, Inc	Eugenia Chow / Environmental Protection Agency - Region 9	Memo: Transmits finalized table 1, monitoring well sampling results, VOCs, nitrate & TDS analytical summary, mouth of Puente Valley investigation, w/attch ( faxed)	2190250
3/6/1998	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	Jorge Leon / CA Regional Water Quality Control Board - Los Angeles Region Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles Region	(Privileged, FOIA ex 5) Memo: Transmits ltr drafted at request of Trammell Crow Co acknowledging agreement & covenant not to sue (ACNS) in lieu of pre-purchase agreement (PPA), w/o attch (Privileged document target only)	2240725
6/11/1998	Joseph Kwan / T R W, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits interim status rpt, 1992-96 & informs that ownership of Benchmark property at 200 S Turnbull Canyon Rd, City of Industry has been transferred fr Benchmark Holding Group to Trammell Crow Co, w/o attch	2232026
6/23/1998	CA Regional Water Quality Control Board - Los Angeles Region	-	Meeting Agenda: Status rpt submittal & soil closure meeting on 6/23/98, ref Benchmark site, City of Industry	2232024
6/23/1998	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	-	Sign-in sheet of meeting on 6/23/98 with TRW, Orion, w/notes re remedial progress in vadose zone & business cards of Orion Environmental's L Niemeyer & M Webster	2232025
7/24/1998	Joseph Kwan / T R W, Inc	Julio Lara / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits & requests for approval of closure rpt for vadose zone soil at Benchmark site, w/marginalia, w/o attch	2232023
7/24/1998	Jonathan Harris / C H 2 M Hill, Inc	Loren Henning / Environmental Protection Agency - Region 9	Technical Memo: Evaluation of potential nitrate & TDS impacts fr Puente Valley OU discharge to San Jose Creek	2190253
8/1/1998	T R W Safety, Health & Environmental Affairs	T R W, Inc	Groundwater monitoring rpt, 11/97 annual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry	2234072
8/4/1998	Joseph Kwan / T R W, Inc	Arthur Heath / CA Regional Water Quality Control Board - Los Angeles Region	Email: Requests for approval of closure rpt for vadose zone soil at Benchmark site forwarded to J Lara on 7/24/98, w/marginalia	2232022
8/10/1998	Camp Dresser & McKee, Inc	-	Discharge options study rpt, draft, w/TL 8/10/98 fr J Kwan to L Henning	2162745
9/3/1998	Joseph Kwan / T R W, Inc	Ejigu Solomon / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt for 11/97	2232020
9/15/1998	Arthur Heath / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / T R W, Inc	Ltr: Acknowledges receipt of ltr 7/24/98 transmitting closure rpt for vadose zone soil & informs of no further requirements - TRW/Benchmark site, 200 S Turnbull Canyon Rd, City of Industry	2232019
12/1/1998	CA Regional Water Quality Control Board - Los Angeles Region	Environmental Protection Agency - Region 9	Annual rpt, 1998, Well Investigation Program, w/TL 9/13/99 to E Adams	2162742
4/19/1999	Joseph Kwan / T R W, Inc	Ejigu Solomon / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt for 5/98	2232014
5/13/1999	David Chamberlin / Camp Dresser & McKee, Inc	Elizabeth Adams / Environmental Protection Agency - Region 9	Memo: Transmits 1) preliminary data fr testing of San Gabriel Valley Water Co wells B7C & B11B & 2) SAP for additional investigation of east & west shallow groundwater plumes in mouth of Puente Valley, w/attchs & marginalia	2192322
5/19/1999	David Chamberlin / Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9 Elizabeth Adams / Environmental Protection Agency - Region 9	Memo: Transmits on behalf of Puente Valley Steering Committee rationale for siting of new wells for Puente Valley OU expedited RD program (ERD), w/attch A & marginalia (faxed)	2162809
5/20/1999	Camp Dresser & McKee, Inc	Puente Valley Steering Committee	Table re mouth of Puente Valley investigation, chlorinated VOCs analytical summary, PVSC 1997-98	2162810
7/12/1999	Joseph Kwan / T R W, Inc	Ejigu Solomon / CA Regional Water Quality Control Board - Los Angeles Region	TL: Soil & groundwater remediation, 1997 status rpt	2232012
8/12/1999	Camp Dresser & McKee, Inc	Puente Valley Steering Committee	Wells B7C & B11B investigation, rpt of findings, w/marginalia & TL to P McDaniel, w/oversize drawings	2192381
9/2/1999	Dave Mark / C H 2 M Hill, Inc Jonathan Harris / C H 2 M Hill, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Technical Memo: Review of Puente Valley OU wells B7C & B11B investigation, rpt of findings dated 8/12/99, w/table, plot & TL	2162815
9/2/1999	Jonathan Harris / C H 2 M Hill, Inc Dave Mark / C H 2 M Hill, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Technical Memo: Review of Puente Valley OU wells B7C & B11B investigation, rpt of findings dated 8/12/99, w/table, plot & marginalia	2162816
4/5/2000	Tom Henderson / C H 2 M Hill, Inc Robert Collar / C H 2 M Hill, Inc Jonathan Harris / C H 2 M Hill, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Memo: Review of PVSC's analysis of slug & step aquifer tests, w/o plots & calculations, w/marginalia	2162814
4/5/2000	Tom Henderson / C H 2 M Hill, Inc Robert Collar / C H 2 M Hill, Inc Jonathan Harris / C H 2 M Hill, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Memo: Review of PVSC's analysis of slug & step aquifer tests, w/o plots & calculations, w/attch dated 2/21/2000 re slug tests, step-drawdown tests, comparison to model conductivities...	2162813
4/6/2000	Joseph Kwan / T R W, Inc	Ejigu Solomon / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt, 5/99 semiannual event	2231780
4/14/2000	Penelope McDaniel / Environmental Protection Agency - Region 9	Joseph Kwan / Puente Valley Steering Committee	Memo: Review of data & analysis of slug tests & step tests performed on wells installed at mouth of Puente Valley	2162811
6/13/2000	T R W, Inc	Ejigu Solomon / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt, 11/99 annual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry	2231778
8/16/2000	T R W, Inc	Ejigu Solomon / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt, 5/2000 semiannual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry	2231777
9/1/2000	Orion Environmental, Inc	T R W, Inc	Soil & groundwater remediation, 1999 status rpt	2234074
9/26/2000	Brian Yeich / United Technologies Corp	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Informs that Carrier Corp concluded data collected during oxidation FS was inconclusive & rescinded request to extend testing period, ref former Carrier facility, 935 S Azusa Ave, City of Industry (faxed 4/19/2001)	2183517
9/29/2000	Joseph Kwan / T R W, Inc	Ejigu Solomon / CA Regional Water Quality Control Board - Los Angeles Region	TL: Soil & groundwater remediation, 1999 status rpt, ref former TRW/Benchmark site, 200 Turnbull Canyon Rd, City of Industry	2231773
10/30/2000	Scott Parsons / H S I GeoTrans, Inc	Arthur Heath / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits site assessment & RA quarterly progress rpt #74, ref BDP Co/Carrier Corp & CAO #88-11, w/attch	2192382
3/1/2001	T R W, Inc	Ejigu Solomon / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt, 11/2000 annual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry	2231779
4/27/2001	Scott Parsons / GeoTrans, Inc	Arthur Heath / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Transmits site assessment & RA quarterly progress rpt #75, ref BDP Co/Carrier Corp & CAO #88-11, w/attch	2192383
7/18/2001	Jeffrey Gwinn / Orion Environmental, Inc	Ejigu Solomon / CA Regional Water Quality Control Board - Los Angeles Region	TL: Soil & groundwater remediation, 2000 status rpt, ref former TRW/Benchmark site, 200 Turnbull Canyon Rd, City of Industry	2231772
9/21/2001	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	Amy Sullivan / T R W, Inc	Ltr: Acknowledges receipt of semiannual groundwater monitoring rpt dated 8/2001 & requests for submittal of executive summary of groundwater remedial activities, map of plumes..., ref former Benchmark site, 200 Turnbull Canyon Rd, City of Industry	2231771
9/27/2001	CA Regional Water Quality Control Board - Los Angeles Region	-	Meeting Notes: Meeting on 9/27/2001 with TRW Inc re 3 sites, Monadnock, Benchmark & former Lucas Western	2231770
11/14/2001	Orion Environmental, Inc	-	Maps (2): Figure 1, total VOC concentration contour map, zone A, 5/2001 & 4/96 comparison & figure 2, total VOC concentration contour map, zone B, 5/2001 & 4/96 comparison, ref former TRW/Benchmark site (11 in x 17 in, color, scale 1 in = 400 ft)	2231768
11/30/2001	Angelica Castaneda / CA Regional Water Quality Control Board - Los Angeles Region	-	Sign-in sheet for meeting on 11/30/2001 with L Niemeyer re Benchmark site	2231767
11/30/2001	Angelica Castaneda / CA Regional Water Quality Control Board - Los Angeles Region	-	Meeting Notes: Meeting on 11/30/2001 with L Niemeyer re Benchmark status, Western Gear status, Monadnock status, w/1) table re 1,4-dioxane by modified EPA 8260 & 2) table re FIELD_PT_NAME, XY_SURVEY_DATE, LATITUDE...	2231766
3/29/2002	Robert Walter / T R W, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: PRP notice of intent to comply with UAO #2002-06 for RD/RA (faxed 12/26/2002 to A Castaneda)	2231765
5/20/2002	T R W, Inc	Angelica Castaneda / CA Regional Water Quality Control Board - Los Angeles Region	TL: Annual groundwater monitoring & remediation system status rpt, 11/2001 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry	2231762
8/7/2002	Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Groundwater monitoring results for 4/2002 monitoring event, Puente Valley OU, w/attchs	2192330
8/13/2002	Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	TL: Groundwater monitoring results for 4/2002 monitoring event, Puente Valley OU	2192372
11/8/2002	Robert Walter / T R W, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Notice of potential change in ownership of TRW Inc, ref Puente Valley OU AO for RA dated 3/21/2002, w/o attch	2231761
11/14/2002	T R W, Inc	Angelica Castaneda / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt, 6/2002 semiannual event	2231760
12/17/2002	Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / Northrop Grumman Corp	Ltr: Transmits info re spills, leaks, investigations & cleanups (SLIC) oversight cost reimbursement account - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry, w/o attchs	2231759
12/20/2002	David Chamberlin / Camp Dresser & McKee, Inc	Carol Williams / Main San Gabriel Basin Watermaster	Ltr: Expresses concerns on San Gabriel Valley Water Co's B11 & B24 projects	2164036
1/21/2003	Timothy Ryan / San Gabriel Valley Water Co	David Chamberlin / Camp Dresser & McKee, Inc	Ltr: Responds to ltr 12/20/2002 fr D Chamberlin re CDM work on behalf of TRW Inc on design of intermediate zone remedy for Puente Valley OU, w/o attch	2164034
1/22/2003	Michael Whitehead / San Gabriel Valley Water Co	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Expresses appreciation for meeting on 1/16/2003 to discuss cleanup measures in Puente Valley OU prompted by modeling & mapping of contaminant plumes by CH2M Hill, ref B7, B9 & B11 wells	2164035

1/23/2003	David Chamberlin / Camp Dresser & McKee, Inc	Carol Williams / Main San Gabriel Basin Watermaster	Ltr: Comments on behalf of Northrop Grumman Space & Missions Systems Corp (formerly TRW Inc) & Puente Valley Steering Committee on ltr 1/7/2003 fr F LoGuidice to C Williams, ref San Gabriel Valley Water Co B11 & B24 projects	2164033
2/10/2003	Christian Volz / McKenna, Long & Aldridge (Attorneys)	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Comments on statements in ltr 1/22/2003 fr M Whitehead to D Oriola re Benchmark Technology site	2231758
2/21/2003	Dave Mark / C H 2 M Hill, Inc	Angelica Castaneda / CA Regional Water Quality Control Board - Los Angeles Region	Email: Request for boring/well log for Benchmark wells W20 & W12	2231756
2/24/2003	Linda Niemeyer / Orion Environmental, Inc	Angelica Castaneda / CA Regional Water Quality Control Board - Los Angeles Region	Memo: Boring logs for Benchmark wells W12 & W20, w/attch & TL 2/24/2003 to D Mark (faxed)	2231757
3/20/2003	-	-	Meeting Agenda: Puente Valley OU technical meeting on 3/20/2003	2224403
3/20/2003	-	-	Sign-in sheet of Puente Valley OU technical meeting on 3/20/2003 (faxed)	2224404
3/20/2003	Penelope McDaniel / Environmental Protection Agency - Region 9	-	Puente Valley OU shallow zone RD status, w/map & shallow zone monitoring summary table	2224405
3/20/2003	-	-	Overheads: CSIWNP chronology of events, MP-21 objectives..., w/table 1, Puente Valley OU groundwater results analytical summary, VOCs, table 2, Puente Valley OU groundwater results analytical summary, emerging compounds, nitrate...	2224406
5/12/2003	Penelope McDaniel / Environmental Protection Agency - Region 9	Carol Williams / Main San Gabriel Basin Watermaster	Ltr: Comments on Watermaster's staff rpt addendum 5/5/2003 re proposed San Gabriel Valley Water Co B11C replacement well	2164025
7/1/2003	Penelope McDaniel / Environmental Protection Agency - Region 9	Carol Williams / Main San Gabriel Basin Watermaster	Ltr: Comments on Watermaster's staff rpt 6/23/2003 re proposed San Gabriel Valley Water Co B24A & B24B replacement wells & water treatment plant	2164024
10/1/2003	Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / Northrop Grumman Corp	TL: Cleanup & abatement order #R4-2003-0021, ref former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry	2231754
10/1/2003	Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles Region	Northrop Grumman Space & Missions Systems Corp	Cleanup & abatement order #R4-2003-0021, w/attchs A & B	2231753
10/29/2003	-	-	Sign-in sheet for 10/29/2003 meeting between Regional Board, Northrop Grumman, CDM & Orion re former Benchmark site	2231751
11/1/2003	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 5/2003 semiannual event	2234070
12/2/2003	Maureen Tabon / Northrop Grumman Corp	Angelica Castaneda / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt, 5/2003 semiannual event	2231750
3/9/2004	Christian Volz / McKenna, Long & Aldridge (Attorneys)	Dustin Minor / Environmental Protection Agency - Region 9 David Bacharowski / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Northrop's proposal re scope of work to perform under negotiated Benchmark CAO, ref rescinded CAO #R4-2003-021 & Puente Valley regional shallow zone remedy, w/marginalia	2231748
3/9/2004	Christian Volz / McKenna, Long & Aldridge (Attorneys)	David Bacharowski / CA Regional Water Quality Control Board - Los Angeles Region Dustin Minor / Environmental Protection Agency - Region 9	Ltr: Northrop's proposal re scope of work to perform under negotiated Benchmark CAO, ref rescinded CAO #R4-2003-021 & Puente Valley regional shallow zone remedy, w/mail checklist	2231744
3/18/2004	John Dolegowski / C H 2 M Hill, Inc	-	Meeting Notes: Summary of Puente Valley OU groundwater modeling presentation to DTSC on 3/18/2004	2183540
4/12/2004	David Chamberlin / Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Monthly progress rpt for 3/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, formerly TRW Inc, w/TL to P McDaniel	2192378
4/14/2004	Maureen Tabon / Northrop Grumman Corp	Carlos Ortez / CA Regional Water Quality Control Board - Los Angeles Region	TL: Annual groundwater monitoring & remediation system status rpt, 11/2003	2231746
5/11/2004	Dennis Dickerson / CA Regional Water Quality Control Board - Los Angeles Region	Christian Volz / McKenna, Long & Aldridge (Attorneys)	Ltr: Comments on proposal submitted by Northrop on 3/9/2004 that Northrop be held responsible for 1,4-dioxane groundwater cleanup to Valley Boulevard only, ref rescinded CAO #R4-2003-021 & Puente Valley regional shallow zone remedy	2231745
5/18/2004	-	-	Sign-in sheet for 5/18/2004 meeting between Regional Board, Northrop Grumman, EPA, CDM & Watermark re former Benchmark site	2231743
7/9/2004	David Chamberlin / Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Monthly progress rpt for 6/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, formerly TRW Inc, w/TL to P McDaniel	2192379
8/9/2004	David Chamberlin / Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Monthly progress rpt for 7/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, formerly TRW Inc, ref UAO #2002-06, w/TL 7/9/2004 [sic] to P McDaniel	2184026
8/18/2004	Don Lee / GeoTrans, Inc Scott Parsons / GeoTrans, Inc	Joe Boada / City of La Puente - Dept of Public Works	Ltr: Informs that client United Technologies Corp reached agreement with EPA to install groundwater extraction & treatment system for Puente Valley OU & transmits map showing locations of 6 groundwater extraction wells, w/attch	2184023
9/1/2004	C H 2 M Hill, Inc	Environmental Protection Agency - Region 9	Drawings: Puente Valley RD groundwater treatment plant, wells & pipelines, interim pre-final focused design review package (B & W, 11 in x 17 in, preliminary, not for construction)	2193825
9/1/2004	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 5/2004 semiannual event	2234071
9/1/2004	C H 2 M Hill, Inc	Environmental Protection Agency - Region 9	Drawings: Puente Valley RD groundwater treatment plant, wells & pipelines, interim pre-final focused design review package, w/marginalia (B & W, 11 in x 17 in, preliminary, not for construction)	2184037
9/2/2004	John Dolegowski / C H 2 M Hill, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Transmits interim pre-final focused design submittal, Puente Valley OU shallow zone RD, w/rpt titled groundwater extraction & treatment plant, interim pre-final focused design submittal dated 9/2004 & containing technical specifications	2193824
9/10/2004	David Chamberlin / Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Monthly progress rpt for 8/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, formerly TRW Inc, ref UAO #2002-06, w/TL 9/14/2004 to P McDaniel	2184027
9/16/2004	John Dolegowski / C H 2 M Hill, Inc Lucy Menon / C H 2 M Hill, Inc	Scott Parsons / GeoTrans, Inc	Memo: Pipeline design sheets for Puente Valley OU interim pre-final focused design, ref proposed locations of planned shallow zone extraction wells, w/drawings	2183533
9/17/2004	Maureen Tabon / Northrop Grumman Corp	Carlos Ortez / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt, 5/2004 semiannual event	2231742
9/20/2004	-	-	Table re federal funding administration summary, application period #4 ending 7/9/2004, approved 9/20/2004, ref Water Entities & cities including California Domestic Water Co, Valley County Water Dist, City of Monterey Park...(final, color, 11 in x 17 in)	2238558
10/7/2004	Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / Northrop Grumman Corp	Ltr: Acknowledges receipt of ltr 5/14/2004 re abandonment of select groundwater monitoring & SVE wells & informs that Regional Board agrees with EPA/Northrop recommendation - former Western Gear facility at 14724 E Proctor Ave, City of Industry	2186386
10/13/2004	John Dolegowski / C H 2 M Hill, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Transmits interim pre-final focused design submittal markups, Puente Valley OU shallow zone RD, w/attchs including ltr 9/2/2004 & specifications	2184036
10/15/2004	Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / Northrop Grumman Corp	Ltr: Acknowledges receipt of soil vapor extraction well installation rpt & request for closure of 1,1,1-TCA still area dated 8/27/2003... & informs of no further requirements for vadose zone - former Western Gear, 14724 E Proctor Ave, Industry, w/map	2186387
10/26/2004	John Dolegowski / C H 2 M Hill, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Transmits interim pre-final focused design submittal markups dated 10/13/2004, design sheets, DVDs, ref Puente Valley OU shallow zone RD, w/o attchs	2184038
11/10/2004	David Chamberlin / Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Monthly progress rpt for 10/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, ref UAO #2002-06, w/TL 11/10/2004 to P McDaniel	2184029
11/16/2004	Penelope McDaniel / Environmental Protection Agency - Region 9	David Bacharowski / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Regional Board concurs on technical memo 8/13/2004 re updated evaluation of potential impacts to San Jose Creek & San Gabriel River fr nitrate & TDS in Puente Valley OU treatment discharge	2071853
12/1/2004	C H 2 M Hill, Inc	Environmental Protection Agency - Region 9	Final field investigation rpt for Puente Valley OU shallow groundwater RD, w/color-coded maps	2193830
12/1/2004	C H 2 M Hill, Inc	Environmental Protection Agency - Region 9	Final field investigation rpt for Puente Valley OU shallow groundwater RD	2223883
12/1/2004	GeoTrans, Inc	-	Draft RD workplan, westernmost plume area monitoring well installation & groundwater monitoring, ref interim shallow zone remedy, Puente Valley OU	2183513
12/8/2004	David Chamberlin / Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Monthly progress rpt for 11/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, ref UAO #2002-06, w/TL 12/8/2004 to P McDaniel	2184030
12/16/2004	Scott Parsons / GeoTrans, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	TL: 1) RD workplan, installation & testing of extraction wells & 2) draft RD workplan, westernmost plume area monitoring well installation & groundwater monitoring, ref interim shallow zone remedy, Puente Valley OU	2183514
1/10/2005	David Chamberlin / Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Monthly progress rpt for 12/2004 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, ref UAO #2002-06, w/TL 1/10/2005 to P McDaniel	2184031
2/10/2005	David Chamberlin / Camp Dresser & McKee, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	Ltr: Monthly progress rpt for 1/2005 submitted on behalf of Northrop Grumman Space & Missions Systems Corp, ref UAO #2002-06, w/TL 1/10/2005 [sic] to P McDaniel	2184032
2/17/2005	Scott Parsons / GeoTrans, Inc	Penelope McDaniel / Environmental Protection Agency - Region 9	TL: Preliminary draft RD workplan, interim shallow zone remedy, Puente Valley OU, City of Industry & La Puente	2225367
2/23/2005	Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / Northrop Grumman Corp	Ltr: Informs that Regional Board reviewed case files for Northrop Grumman Space & Missions Systems Corp (NGSMSC), formerly known as TRW/Benchmark & believes there is no need to issue new CAO, ref CAO #89-034	2231740
3/1/2005	Northrop Grumman Space & Missions Systems Corp	-	Annual groundwater monitoring & remediation system status rpt, 11/2004	2231156
3/8/2005	Joseph Kwan / Northrop Grumman Corp	David Bacharowski / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Comments on supplemental requirements to CAO #89-034 in ltr 2/23/2005 fr Regional Board, ref Benchmark Technology, City of Industry	2231739

3/25/2005	Maureen Tabon / Northrop Grumman Corp	Carlos Ortez / CA Regional Water Quality Control Board - Los Angeles Region	TL: Annual groundwater monitoring & remediation system status rpt, 11/2004 - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry	2231735
4/1/2005	GeoTrans, Inc	-	RD workplan, interim shallow zone remedy, Puente Valley OU, City of Industry & La Puente	2222891
4/18/2005	Thomas Cota / CA Environmental Protection Agency - Dept of Toxic Substances Control	Kathleen Salyer / Environmental Protection Agency - Region 9	Ltr: Comments on proposed explanation of significant differences (ESD)	2071854
5/6/2005	Camp Dresser & McKee, Inc	Northrop Grumman Space & Missions Systems Corp	RD/RA workplan, Puente Valley OU intermediate zone remedy	2222889
5/6/2005	Michele Zych / Camp Dresser & McKee, Inc	Dana Barton / Environmental Protection Agency - Region 9	TL: RD/RA workplan, Puente Valley OU intermediate zone remedy	2225381
5/18/2005	Kathleen Salyer / Environmental Protection Agency - Region 9	Thomas Cota / CA Environmental Protection Agency - Dept of Toxic Substances Control	Ltr: Responds to DTSC comments on proposed explanation of significant differences (ESD)	2071855
6/1/2005	Orion Environmental, Inc	Northrop Grumman Space & Missions Systems Corp	RA plan for Valley Boulevard groundwater remediation - former Benchmark Technology facility, City of Industry, ref CAO #89-034 , w/TL to D Bacharowski	2234075
8/1/2005	Kathleen Salyer / Environmental Protection Agency - Region 9	File	Memo: Data relied upon for explanation of significant differences (ESD)	2071852
8/9/2005	San Gabriel Valley Tribune	-	Newsclip: Public notice - EPA announces changes to cleanup plan for San Gabriel Valley site (area 4), Puente Valley OU	2112749
8/30/2005	Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / Northrop Grumman Corp	Ltr: Approves RA plan for Valley Boulevard groundwater remediation dated 6/1/2005 - former TRW/Benchmark Technology facility, 200 Turnbull Canyon Rd, City of Industry, w/SLIC 2 mail checklist	2231737
9/1/2005	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 5/2005 semiannual event	2231154
9/16/2005	Maureen Tabon / Northrop Grumman Corp	Carlos Ortez / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt, 5/2005 semiannual event	2231733
10/17/2005	Camp Dresser & McKee, Inc	Dana Barton / Environmental Protection Agency - Region 9	Ltr: Groundwater monitoring results for 6/2005 monitoring event, Puente Valley OU, w/attchs, w/o compact disc	2222882
1/1/2006	Environmental Protection Agency - Region 9	-	Compact Disc: Intermediate zone (IZ) geophysical logs, Puente Valley OU	2222886
2/1/2006	Environmental Protection Agency - Region 9	-	Fact Sheet: EPA to oversee field work to install groundwater cleanup system in Puente Valley area (in English & Spanish)	2222856
3/6/2006	Camp Dresser & McKee, Inc	Northrop Grumman Space & Missions Systems Corp	RD/RA workplan, Puente Valley OU intermediate zone remedy (revised 3/6/2006)	2225382
3/7/2006	Orion Environmental, Inc	Joseph Kwan / Northrop Grumman Corp	Ltr: Downgradient groundwater extraction system - former Benchmark site, City of Industry, w/TL to D Bacharowski	2234080
3/10/2006	Camp Dresser & McKee, Inc	Dana Barton / Environmental Protection Agency - Region 9	Ltr: Groundwater monitoring results for 12/2005 groundwater monitoring event, Puente Valley OU, w/attchs, w/o compact disc	2222878
4/1/2006	Northrop Grumman Space & Missions Systems Corp	-	Annual groundwater monitoring & remediation system status rpt, 11/2005, w/o compact disc	2231157
4/10/2006	Amy Sullivan / Northrop Grumman Corp	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	TL: Annual groundwater monitoring & remediation system status rpt, 11/2005	2231736
4/28/2006	US Dept of Justice - Environment & Natural Resources Div	-	Amended Consent Decree #CV-05-6022 ABC (FMOx) for response actions & cost recovery, USA v Carrier Corp, w/apps A-H	1102867
8/31/2006	Jonathan Bishop / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / Northrop Grumman Corp	Ltr: 2006/2007 annual estimation ltr for spills, leaks, investigations & cleanups (SLIC) cost recovery program - Benchmark Technology at 425 Turnbull Canyon Rd, City of Industry, w/o attchs	2231738
9/1/2006	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 6/2006 semiannual event, w/o compact disc	2231155
9/29/2006	Amy Sullivan / Northrop Grumman Corp	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt, 6/2006 semiannual event	2231734
10/25/2006	Camp Dresser & McKee, Inc	Dana Barton / Environmental Protection Agency - Region 9	Ltr: Groundwater monitoring results for 6/2006 groundwater monitoring event, Puente Valley OU, w/attchs, TL & compact disc	2222881
10/26/2006	GeoTrans, Inc	-	Overheads: Shallow zone north of Puente Creek RD/RA stakeholders meeting on 10/26/2006	2222884
10/26/2006	-	-	Overheads: Intermediate zone RD/RA, Puente Valley OU technical meeting on 10/26/2006, w/marginalia re next quarterly meeting	2222883
1/1/2007	GeoTrans, Inc	-	Aquifer testing & numerical modeling analysis, interim shallow zone remedy, Puente Valley OU (draft)	2225347
3/1/2007	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 12/2006 semiannual event, w/o compact disc	2231147
3/30/2007	Camp Dresser & McKee, Inc	Dana Barton / Environmental Protection Agency - Region 9	Ltr: Groundwater monitoring results for 12/2006 groundwater monitoring event, Puente Valley OU, w/attchs & TL, w/o compact disc	2222880
3/31/2007	Amy Sullivan / Northrop Grumman Corp	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt 12/2006 semiannual event	2231726
4/17/2007	Camp Dresser & McKee, Inc	Northrop Grumman Space & Missions Systems Corp	Conceptual/preliminary (30 percent) design rpt, Puente Valley OU intermediate zone (IZ) remedy	2222879
6/1/2007	Orion Environmental, Inc	Northrop Grumman Space & Missions Systems Corp	Groundwater extraction well installation rpt - former Benchmark site, City of Industry	2231153
6/11/2007	Joseph Kwan / Northrop Grumman Corp	Don Indermill / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater extraction well installation rpt - former Benchmark site, City of Industry, CAO #89-034	2231728
7/9/2007	CA Regional Water Quality Control Board - Los Angeles Region	-	Sign-in sheet for 7/9/2007 meeting between Regional Board, Northrop Grumman, Orion Environmental & Watermark re former Benchmark site	2231729
9/1/2007	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 6/2007 semiannual event, w/o compact disc	2231148
9/17/2007	Camp Dresser & McKee, Inc	Dana Barton / Environmental Protection Agency - Region 9	Ltr: Groundwater monitoring results for 6/2007 groundwater monitoring event, Puente Valley OU, w/attchs & TL 9/18/2007, w/o compact disc	2222888
9/27/2007	Amy Sullivan / Northrop Grumman Corp	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt 6/2007 semiannual event	2231727
10/31/2007	Joseph Kwan / Northrop Grumman Corp	Dana Barton / Environmental Protection Agency - Region 9	TL: Technical memo for installation of extraction wells, intermediate zone remedy, Puente Valley OU dated 10/30/2007	2225379
11/20/2007	Camp Dresser & McKee, Inc	Northrop Grumman Space & Missions Systems Corp	Final RD workplan for installation of extraction wells, intermediate zone remedy, Puente Valley OU, w/TL 11/21/2007 fr J Kwan to D Barton	2222893
11/28/2007	GeoTrans, Inc	-	Extraction well completion rpt, interim shallow zone remedy, Puente Valley OU, draft version - v 2, appendix B, laboratory analytical rpts & chain of custody records	2225333
11/28/2007	Scott Parsons / GeoTrans, Inc	Dana Barton / Environmental Protection Agency - Region 9	TL: Draft extraction well completion rpt, interim shallow zone remedy, Puente Valley OU	2225400
11/28/2007	GeoTrans, Inc	-	Extraction well completion rpt, interim shallow zone remedy, Puente Valley OU, draft version - v 1	2225398
11/28/2007	GeoTrans, Inc	-	Extraction well completion rpt, interim shallow zone remedy, Puente Valley OU, draft version - v 3, appendix F, data validation rpts	2225399
12/4/2007	Scott Parsons / GeoTrans, Inc	Dana Barton / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt, reporting period 10/2007 & 11/2007, shallow zone interim RD/RA, Puente Valley OU	2225340
12/20/2007	GeoTrans, Inc	-	Preliminary design & design basis rpt, interim shallow zone remedy, Puente Valley OU, draft version	2225397
12/20/2007	Scott Parsons / GeoTrans, Inc	Dana Barton / Environmental Protection Agency - Region 9	TL: Draft preliminary design & design basis rpt, interim shallow zone remedy, Puente Valley OU	2225339
1/18/2008	Scott Parsons / GeoTrans, Inc	Dana Barton / Environmental Protection Agency - Region 9	Ltr: Informs that GeoTrans revised draft groundwater modeling analysis rpt & renamed rpt draft aquifer testing & groundwater modeling analysis rpt, interim shallow zone remedy, Puente Valley OU	2225346
2/1/2008	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 11/2007 semiannual event, w/o compact disc	2231149
3/14/2008	Camp Dresser & McKee, Inc	Northrop Grumman Space & Missions Systems Corp	Compliance/general monitoring plan, intermediate zone remedy, Puente Valley OU, w/appendix A, SAP, appendix B, compliance & monitoring well network plan & appendix C, groundwater modeling rpt	2225378

3/24/2008	Camp Dresser & McKee, Inc	Dana Barton / Environmental Protection Agency - Region 9	Ltr: Groundwater monitoring results for 1/2008 groundwater monitoring event, Puente Valley OU - compact disc only (appendix B, laboratory results)	2215632
3/24/2008	Joseph Kwan / Northrop Grumman Corp	Dana Barton / Environmental Protection Agency - Region 9	TL: Groundwater monitoring results, 1/2008 groundwater monitoring event, intermediate zone remedy for Puente Valley OU dated 3/24/2008	2225391
3/24/2008	Camp Dresser & McKee, Inc	Dana Barton / Environmental Protection Agency - Region 9	Ltr: Groundwater monitoring results for 1/2008 groundwater monitoring event, Puente Valley OU, w/attchs, w/o compact disc (appendix B, laboratory results)	2225390
4/28/2008	GeoTrans, Inc	-	Aquifer testing & numerical modeling analysis, interim shallow zone remedy, Puente Valley OU	2225881
5/1/2008	GeoTrans, Inc	-	Construction quality assurance plan (CQAP), Puente Valley OU	2225342
5/8/2008	GeoTrans, Inc	-	Remedial construction health & safety plan (CHASP), interim shallow zone remedy, Puente Valley OU, City of Industry & La Puente, w/TL to D Barton	2225343
7/28/2008	Orion Environmental, Inc Camp Dresser & McKee, Inc	Northrop Grumman Space & Missions Systems Corp	Pre-final design rpt, Puente Valley OU intermediate zone remedy	2225392
8/1/2008	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 5/2008 semiannual event, w/o compact disc	2231150
8/12/2008	Amy Sullivan / Northrop Grumman Corp	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt 5/2008 semiannual event	2231722
8/12/2008	Scott Parsons / GeoTrans, Inc	Art Burgner / C N C Engineering	Ltr: Informs that United Technologies Corp (UTC/Carrier) intends to install wells MW6-20A & MW6-20B, interim shallow zone remedy north of Puente Creek, Puente Valley OU, w/o attchs	2225341
9/30/2008	Camp Dresser & McKee, Inc	San Gabriel Valley Water Co Northrop Grumman Space & Missions Systems Corp	Dept of Public Health water supply permit policy 97-005 documentation, Puente Valley OU intermediate zone remedy, w/o compact discs	2225384
10/20/2008	Joseph Kwan / Northrop Grumman Corp	Raymond Chavira / Environmental Protection Agency - Region 9	TL: Groundwater monitoring results, 8/2008 groundwater monitoring event, intermediate zone remedy for Puente Valley OU dated 10/17/2008	2225373
10/21/2008	Joseph Kwan / Northrop Grumman Corp	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Comments on draft regulatory evaluation for future treated groundwater discharge at Puente Valley OU by CH2M Hill dated 8/25/2008	1127238
2/1/2009	GeoTrans, Inc	Environmental Protection Agency - Region 9	Design basis rpt, preliminary design, interim shallow zone remedy, Puente Valley OU, w/oversize extraction well cross-sections	2225352
2/1/2009	GeoTrans, Inc	-	Construction quality assurance plan (CQAP), Puente Valley OU	2225350
2/16/2009	GeoTrans, Inc	-	Response to comments re construction quality assurance plan (CQAP), Puente Valley OU in draft technical memo 11/5/2008 fr CH2M Hill	2225351
3/1/2009	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 11/2008 semiannual event, w/o compact disc	2231151
3/23/2009	Amy Sullivan / Northrop Grumman Corp	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt 11/2008 semiannual event	2231723
3/31/2009	Amy Sullivan / Northrop Grumman Corp	CA Regional Water Quality Control Board - Los Angeles Region	Memo: NPDES quarterly monitoring rpt, 1st quarterly 2009 - Benchmark facility, 200 Turnbull Canyon Rd, City of Industry, w/attch & marginalia	2231724
4/16/2009	David Chamberlin / Camp Dresser & McKee, Inc Michele Zych / Camp Dresser & McKee, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Response to EPA comments dated 2/2/2009 on compliance/general monitoring plan (C/GMP) for intermediate zone remedy, Puente Valley OU	1127239
4/21/2009	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of draft final design submittal, Puente Valley OU, w/o attchs	2225357
5/1/2009	GeoTrans, Inc	-	Draft westernmost plume area monitoring well completion rpt, interim shallow zone remedy, Puente Valley OU	2225882
5/1/2009	GeoTrans, Inc	-	Design basis rpt, preliminary design, interim shallow zone remedy, Puente Valley OU	2225360
5/1/2009	GeoTrans, Inc	-	Draft mid-valley area monitoring well completion rpt, interim shallow zone remedy, Puente Valley OU	2225888
5/12/2009	Joseph Kwan / Northrop Grumman Corp	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Comments on delineation of shallow & intermediate zones in Puente Valley OU, w/attchs	1127240
5/13/2009	Christian Volz / McKenna, Long & Aldridge (Attorneys)	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Comments on delineation between shallow zone & intermediate zone in Puente Valley OU, w/o attch	1127241
5/20/2009	Camp Dresser & McKee, Inc Orion Environmental, Inc	Northrop Grumman Space & Missions Systems Corp	Final design rpt, Puente Valley OU intermediate zone remedy	2225393
5/21/2009	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of draft comprehensive shallow zone groundwater monitoring & sampling rpt, 1st quarter 2009, Puente Valley OU shallow zone, w/o attchs	2225895
5/21/2009	GeoTrans, Inc	-	Draft comprehensive shallow zone groundwater monitoring & sampling rpt, 1st quarter 2009, Puente Valley OU shallow zone, v 1	2225893
5/21/2009	GeoTrans, Inc	-	Draft comprehensive shallow zone groundwater monitoring & sampling rpt, 1st quarter 2009, Puente Valley OU shallow zone, v 2 (appendix C, water sampling field forms)	2225891
5/21/2009	GeoTrans, Inc	-	Draft comprehensive shallow zone groundwater monitoring & sampling rpt, 1st quarter 2009, Puente Valley OU shallow zone, v 3 (appendix C, water sampling field forms, continued)	2225892
5/25/2009	GeoTrans, Inc	-	Response to comments re revised pre-final design submittal, interim shallow zone remedy, Puente Valley OU, ref additional comments 3/18/2009 fr CH2M Hill	2225362
5/29/2009	Raymond Chavira / Environmental Protection Agency - Region 9	Rex Ball / Los Angeles County	Email: Requests that LA County expedite processing of temporary right of way permit or other vehicle & all reviews & approvals by 7/15/2009	2193768
5/29/2009	Raymond Chavira / Environmental Protection Agency - Region 9	Rex Ball / Los Angeles County	Email: Requests that LA County expedite processing of temporary right of way permit or other vehicle & all reviews & approvals by 7/15/2009, w/response 5/29/2009 fr N Englund to R Chavira & R Ball expressing support	2193769
5/29/2009	GeoTrans, Inc	-	Response to comments re construction quality assurance plan (CQAP), Puente Valley OU in draft technical memo 3/25/2009 fr CH2M Hill	2225353
6/1/2009	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of draft westernmost plume area monitoring well completion rpt, interim shallow zone remedy, Puente Valley OU dated 5/2009, w/o attchs	2225884
6/1/2009	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of draft mid-valley area monitoring well completion rpt, interim shallow zone remedy, Puente Valley OU dated 5/2009, w/o attchs	2225890
6/1/2009	GeoTrans, Inc	-	Construction quality assurance plan (CQAP), Puente Valley OU	2225356
6/2/2009	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of 5/2009 design basis rpt, preliminary design, interim shallow zone remedy, Puente Valley OU, w/o attchs	2225359
6/2/2009	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of construction quality assurance plan (CQAP) dated 6/2009, w/o attchs	2225354
6/18/2009	Grace Chang / Los Angeles County - Office of the County Counsel	Raymond Chavira / Environmental Protection Agency - Region 9 Lewis Maldonado / Environmental Protection Agency - Region 9	Email: Proposed agenda for 6/24/2009 meeting between EPA, LA County, Northrop Grumman & United Technologies Corp on permit review & approval, w/response fr R Chavira	2193765
6/18/2009	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of 6/18/2009 revised response to comments table for design basis rpt, interim shallow zone remedy, Puente Valley OU, w/response to comments, w/o compact disc	2225344
6/24/2009	Environmental Protection Agency - Region 9	Los Angeles County	Overheads: Pipeline construction mtg	1117793
7/21/2009	Raymond Chavira / Environmental Protection Agency - Region 9	Joseph Kwan / Northrop Grumman Corp	Ltr: Transmits comments by CH2M Hill on final design rpt, Puente Valley OU intermediate zone remedy dated 5/20/2009, w/o attch	1117789
7/29/2009	Christian Volz / McKenna, Long & Aldridge (Attorneys)	Tracy Egoscue / CA Regional Water Quality Control Board - Los Angeles Region	Ltr: Comments on 6/17/2009 meeting between EPA & Regional Board & selenium treatment standards, ref Northrop Grumman Benchmark remedy, CAO 89-034, w/site chronology 6/2002-6/2009	2231721
8/13/2009	Linda Niemeyer / Watermark	Raymond Chavira / Environmental Protection Agency - Region 9	Email: Revised pipeline schedule for LA County segments, w/o attch, w/response 8/17/2009 fr R Chavira	2193764
8/31/2009	Raymond Chavira / Environmental Protection Agency - Region 9	Grace Chang / Los Angeles County - Office of the County Counsel	Email: Requests for meeting with LA County staff & counsel on pending right of way agreements & permits submitted by Puente Valley OU work parties, Northrop Grumman Corp & United Technologies Corp	2193766
8/31/2009	Gail Farber / Los Angeles County - Dept of Public Works Mark Pestrella / Los Angeles County - Dept of Public Works	Joseph Kwan / Northrop Grumman Corp	Ltr: Revocation of permit PCFL200801957, Puente Valley OU intermediate zone remediation connection to project #1114, unit 2, w/permit	1117787
9/1/2009	Northrop Grumman Space & Missions Systems Corp	-	Groundwater monitoring rpt, 6/2009 semiannual event, w/o compact disc	2231152
9/4/2009	Raymond Chavira / Environmental Protection Agency - Region 9	Grace Chang / Los Angeles County - Office of the County Counsel	Email: Requests that LA County Dept of Public Works allow Northrop Grumman & subcontractors complete pipeline installation with expectation that storm drain connection will be done at later time, w/history	2193767

9/15/2009	Kathleen Salyer / Environmental Protection Agency - Region 9	Mark Pestrella / Los Angeles County - Dept of Public Works	Email: Request for LA County Dept of Public Work assistance & support to keep Puente Valley OU project moving ahead, ref LACDPW revocation to Northrop Grumman Corp for utility crossing permit	2193763
9/15/2009	Christian Volz / McKenna, Long & Aldridge (Attorneys)	Lewis Maldonado / Environmental Protection Agency - Region 9	Email: Overview of license agreement discussion with LA County	2193762
9/16/2009	Environmental Protection Agency - Region 9	Los Angeles County	Overheads: Coordination mtg 2	1117792
9/16/2009	Los Angeles County - Dept of Public Works	Environmental Protection Agency - Region 9	Mtg Agenda (Draft): EPA & Los Angeles County coordination mtg	1117790
9/17/2009	Los Angeles County - Dept of Public Works	Northrop Grumman Corp	Flood control district permit for water lines crossing district storm drains, permit #PCFL 200801957	1117791
9/17/2009	Joseph Kwan / Northrop Grumman Corp	Dixon Oriola / CA Regional Water Quality Control Board - Los Angeles Region	TL: Groundwater monitoring rpt 6/2009	2231160
9/17/2009	Los Angeles County - Dept of Public Works	Northrop Grumman Corp	Excavation permit for pipeline construction, permit #PCEX 200802231	1117794
9/24/2009	Keith Takata / Environmental Protection Agency - Region 9	Mark Pestrella / Los Angeles County - Dept of Public Works Los Angeles County - Board of Supervisors	Ltr: Transmits administrative order directing compliance with request for access, in matter of LA County & LA County Flood Control District, CERCLA docket #09-2009-13, w/o attch	1117799
9/24/2009	Keith Takata / Environmental Protection Agency - Region 9	Los Angeles County Los Angeles County - Flood Control District	Administrative order directing compliance with request for access, in matter of LA County & LA County Flood Control District, CERCLA docket #09-2009-13, w/map of site	1117798
9/30/2009	Orion Environmental, Inc	Northrop Grumman Space & Missions Systems Corp	Compact Disc: Trojan UVPHOX submittal, final design amendment for 1,4-Dioxane treatment system, intermediate zone remediation system, Puente Valley OU, City of Industry	2225395
9/30/2009	Orion Environmental, Inc	Northrop Grumman Space & Missions Systems Corp	Compact Disc: Final design amendment for 1,4-Dioxane treatment system, intermediate zone remediation system, Puente Valley OU, City of Industry	2225396
10/14/2009	GeoTrans, Inc	-	Comprehensive shallow zone groundwater monitoring & sampling rpt, 2nd quarter 2009, Puente Valley OU, w/o compact disc	2225364
10/14/2009	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of comprehensive shallow zone groundwater monitoring & sampling rpt, 2nd quarter 2009, Puente Valley OU, w/o attchs	2225368
10/15/2009	-	-	Meeting Agenda: San Gabriel Valley Superfund sites water issues stakeholder meeting on 10/15/2009 at Courtyard Marriott, Baldwin Park (draft)	1127244
11/2/2009	Jeffrey Gwinn / Orion Environmental, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Informs that preparation & submittal of intermediate zone (IZ) remedy draft O&M manual has been postponed due to suspension of IZ construction activities, Puente Valley OU	1127494
11/24/2009	GeoTrans, Inc	-	Comprehensive shallow zone groundwater monitoring & sampling rpt, 3rd quarter 2009, Puente Valley OU shallow zone, w/o compact disc (appendices C & D) & oversized maps	2225885
11/24/2009	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of comprehensive shallow zone groundwater monitoring & sampling rpt, 3rd quarter 2009, Puente Valley OU shallow zone, w/o attchs	2225887
12/9/2009	David Chamberlin / Camp Dresser & McKee, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt for 10/2009 & 11/2009, Puente Valley OU intermediate zone (IZ) remedy	1127226
2/12/2010	GeoTrans, Inc	-	Comprehensive shallow zone groundwater monitoring & sampling rpt, 4th quarter 2009, Puente Valley OU shallow zone, w/o compact disc (appendices C & D)	2225901
2/12/2010	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits hardcopy & electronic copy of comprehensive shallow zone groundwater monitoring & sampling rpt, 4th quarter 2009, Puente Valley OU shallow zone, w/o attchs	2225903
2/19/2010	GeoTrans, Inc	-	Compact Disc: Bi-monthly progress rpts fr 2005 to 2/2010, shallow zone interim RD/RA, Puente Valley OU	2225896
2/19/2010	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Transmits electronic (CD) copy of bi-monthly progress rpts fr 2005 to 2/2010, shallow zone interim RD/RA, Puente Valley OU, w/o attch	2225897
3/4/2010	Tracy Egoscue / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / Northrop Grumman Corp	Ltr: Proposed lead agency transfer to EPA, ref former TRW Inc/Benchmark Technology facility, 200 Turnbull Canyon Rd, City of Industry, CAO #89-034	2231159
3/5/2010	Environmental Protection Agency - Region 9	-	Compact Disc: Ltr fr R Chavira to J Kwan at Northrop Grumman re request in ltr 5/12/2009 to use shallow zone performance containment criterion for merged zone contamination, Puente Valley OU	2225386
3/5/2010	Raymond Chavira / Environmental Protection Agency - Region 9	Joseph Kwan / Northrop Grumman Corp	Ltr: Response to request in ltr 5/12/2009 to use shallow zone performance containment criterion for merged zone contamination, Puente Valley OU, w/attchs	2225385
4/6/2010	David Chamberlin / Camp Dresser & McKee, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt for 2/2010 & 3/2010, Puente Valley OU intermediate zone (IZ) remedy	1127227
5/19/2010	Samuel Unger / CA Regional Water Quality Control Board - Los Angeles Region	Joseph Kwan / Northrop Grumman Corp	Ltr: Lead agency transfer to EPA, ref former TRW Inc/Benchmark Technology facility, 200 Turnbull Canyon Rd, City of Industry, CAO #89-034	2231158
6/10/2010	David Chamberlin / Camp Dresser & McKee, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt for 4/2010 & 5/2010, Puente Valley OU intermediate zone (IZ) remedy	1127228
7/22/2010	Bradley Barquest / United Technologies Corp	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Progress rpt #9, 1/1/2010-6/30/2010, supplemental environmental project (SEP), ref Woodland Duck Farm, consent decree #CV-05-6022 ABC (FMOx)	1127249
9/1/2010	Northrop Grumman Systems Corp	-	Groundwater monitoring rpt, 6/2010 semiannual event - former Benchmark Technology facility, 200 S Turnbull Canyon Rd, City of Industry	1127231
9/13/2010	GeoTrans, Inc	-	Shallow zone groundwater monitoring & sampling rpt, 2nd quarter 2010, Puente Valley OU shallow zone	1127229
10/1/2010	-	-	Map: Well location map, mouth of valley, Puente Valley OU (updated 10/2010, color)	1127245
10/8/2010	David Chamberlin / Camp Dresser & McKee, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt for 8/2010 & 9/2010, Puente Valley OU intermediate zone (IZ) remedy	1127230
10/8/2010	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt, reporting period 8/2010 & 9/2010, shallow zone interim RD/RA, Puente Valley OU, w/attchs	1127232
11/1/2010	C H 2 M Hill, Inc	-	Table re summary of compliance, sentinel & monitoring wells, Puente Valley OU intermediate zone remedy (with EPA responses dated 10/27/2010)	1127247
11/1/2010	Raymond Chavira / Environmental Protection Agency - Region 9	Joseph Kwan / Northrop Grumman Corp	Ltr: Responds to ltr 4/13/2010 fr J Kwan & informs that EPA & Northrop are in agreement on assessment of compliance in merged zone, Puente Valley OU, w/o attchs	1127242
11/1/2010	C H 2 M Hill, Inc	-	Drawing: Cross section B-B', Puente Valley OU (draft, color)	1127246
12/9/2010	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt, reporting period 10/2010 & 11/2010, shallow zone interim RD/RA, Puente Valley OU	1127234
12/10/2010	David Chamberlin / Camp Dresser & McKee, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt for 10/2010 & 11/2010, Puente Valley OU intermediate zone (IZ) remedy	1127233
12/22/2010	Raymond Chavira / Environmental Protection Agency - Region 9	Joseph Kwan / Northrop Grumman Corp	Ltr: Follow-up fr Puente Valley OU meeting on 11/16/2010 re 1) locations & monitoring criteria for intermediate zone monitoring wells L7 & L8; 2) need for intermediate zone lateral compliance monitoring wells L5 and L6..., w/o attchs	1127243
12/22/2010	GeoTrans, Inc	-	Groundwater monitoring & sampling rpt, 3rd quarter 2010, Puente Valley OU	1127235
1/26/2011	Bradley Barquest / United Technologies Corp	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Progress rpt #10, 7/1/2010-12/31/2010, supplemental environmental project (SEP), ref Woodland Duck Farm, consent decree #CV-05-6022 ABC (FMOx)	1127248
1/28/2011	Joseph Kwan / Northrop Grumman Corp	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Response to DTSC comments on draft FS addendum for Puente Valley OU intermediate zone remedy dated 5/4/2010	1127495
2/9/2011	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt, reporting period 12/2010 & 1/2011, shallow zone interim RD/RA, Puente Valley OU, w/attchs	1127496
2/10/2011	David Chamberlin / Camp Dresser & McKee, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt for 12/2010 & 1/2011, Puente Valley OU intermediate zone (IZ) remedy	1127491
2/28/2011	Kerang Sun / C H 2 M Hill, Inc John Dolegowski / C H 2 M Hill, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Technical Memo: Review of Updated PVOU groundwater flow model (draft)	1127500
2/28/2011	Raymond Chavira / Environmental Protection Agency - Region 9	Bradley Barquest / United Technologies Corp	Email: EPA review of GeoTrans model update, w/o attch (CH2M_Review-Updated_GeoTrans_Model_28Feb2011-LW3456_EPA.pdf)	1127501
3/2/2011	Environmental Protection Agency - Region 9	-	Final 1st 5-year review rpt, Puente Valley OU, w/apps A-G	1127492
3/2/2011	Environmental Protection Agency - Region 9	-	Final 1st 5-year review rpt, Puente Valley OU, w/apps A-G & erratum memo to EPA-9 fr CH2M Hill, 3/16/11	1127493
3/15/2011	Bradley Barquest / United Technologies Corp	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Requests extension for completion date of supplemental environmental project	1127508

4/7/2011	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt (2/2011 - 3/2011), shallow zone interim RD/RA, Puente Valley OU	1127507
4/8/2011	Raymond Chavira / Environmental Protection Agency - Region 9	Bradley Barquest / United Technologies Corp	Ltr: Approval to extend supplemental environmental project completion date	1127506
4/11/2011	David Chamberlin / Camp Dresser & McKee, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt for 2/2011 & 3/2011, Puente Valley OU, intermediate zone (IZ) remedy	1127505
4/15/2011	Peter MacNicholl / CA Environmental Protection Agency - Dept of Toxic Substances Control	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Comments on Benchmark Technologies facility semi-annual groundwater monitoring rpt, Puente Valley OU	1127503
4/19/2011	Tetra Tech, Inc GeoTrans, Inc	Environmental Protection Agency - Region 9	Groundwater monitoring & sampling rpt, 4th quarter 2010, Puente Valley OU	1127504
5/10/2011	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Response to comments on Draft technical memo re review of updated PVOU groundwater model, w/attch	1127502
6/10/2011	Scott Parsons / GeoTrans, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt (4/2011 - 5/2011), shallow zone interim RD/RA, Puente Valley OU	1127499
6/10/2011	David Chamberlin / Camp Dresser & McKee, Inc	Raymond Chavira / Environmental Protection Agency - Region 9	Ltr: Bi-monthly progress rpt for 4/2011 & 5/2011, Puente Valley OU, intermediate zone (IZ) remedy	1127498

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